612325387674 has 576 divisors, whose sum is σ = 1901853354240. Its totient is φ = 142776691200.

The previous prime is 612325387561. The next prime is 612325387679. The reversal of 612325387674 is 476783523216.

It is a happy number.

612325387674 is a `hidden beast` number, since 6 + 1 + 2 + 32 + 538 + 7 + 6 + 74 = 666.

It is a super-2 number, since 2×612325387674² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 612325387674.

It is not an unprimeable number, because it can be changed into a prime (612325387679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 285998644 + ... + 286000784.

It is an arithmetic number, because the mean of its divisors is an integer number (3301828740).

Almost surely, 2^612325387674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612325387674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950926677120).

612325387674 is an abundant number, since it is smaller than the sum of its proper divisors (1289527966566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612325387674 is a wasteful number, since it uses less digits than its factorization.

612325387674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244 (or 2214 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

It can be divided in two parts, 612325 and 387674, that added together give a palindrome (999999).

The spelling of 612325387674 in words is "six hundred twelve billion, three hundred twenty-five million, three hundred eighty-seven thousand, six hundred seventy-four".