618994752 has 56 divisors (see below), whose sum is σ = 1734104736. Its totient is φ = 194193408.

The previous prime is 618994741. The next prime is 618994757. The reversal of 618994752 is 257499816.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 618994695 and 618994704.

It is not an unprimeable number, because it can be changed into a prime (618994757) 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 7 ways as a sum of consecutive naturals, for example, 91558 + ... + 98085.

It is an arithmetic number, because the mean of its divisors is an integer number (30966156).

Almost surely, 2^618994752 is an apocalyptic number.

It is an amenable number.

618994752 is an abundant number, since it is smaller than the sum of its proper divisors (1115109984).

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

618994752 is a wasteful number, since it uses less digits than its factorization.

618994752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189675 (or 189665 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 618994752 is about 24879.6051415612. The cubic root of 618994752 is about 852.2408012518.

The spelling of 618994752 in words is "six hundred eighteen million, nine hundred ninety-four thousand, seven hundred fifty-two".