612412770 has 32 divisors (see below), whose sum is σ = 1470441600. Its totient is φ = 163237760.

The previous prime is 612412729. The next prime is 612412771. The reversal of 612412770 is 77214216.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (612412771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129406 + ... + 134054.

It is an arithmetic number, because the mean of its divisors is an integer number (45951300).

Almost surely, 2^612412770 is an apocalyptic number.

612412770 is an abundant number, since it is smaller than the sum of its proper divisors (858028830).

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

612412770 is a wasteful number, since it uses less digits than its factorization.

612412770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9050.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 612412770 is about 24746.9749666500. The cubic root of 612412770 is about 849.2093085362.

Adding to 612412770 its reverse (77214216), we get a palindrome (689626986).

The spelling of 612412770 in words is "six hundred twelve million, four hundred twelve thousand, seven hundred seventy".