674635526625 has 64 divisors (see below), whose sum is σ = 1160293994496. Its totient is φ = 347906648000.

The previous prime is 674635526611. The next prime is 674635526659. The reversal of 674635526625 is 526625536476.

It is a happy number.

It is not a de Polignac number, because 674635526625 - 2⁶ = 674635526561 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1232290 + ... + 1693460.

It is an arithmetic number, because the mean of its divisors is an integer number (18129593664).

Almost surely, 2^674635526625 is an apocalyptic number.

It is an amenable number.

674635526625 is a deficient number, since it is larger than the sum of its proper divisors (485658467871).

674635526625 is a wasteful number, since it uses less digits than its factorization.

674635526625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461319 (or 461309 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 57.

The spelling of 674635526625 in words is "six hundred seventy-four billion, six hundred thirty-five million, five hundred twenty-six thousand, six hundred twenty-five".