674935564420 has 48 divisors (see below), whose sum is σ = 1592757653760. Its totient is φ = 238371889536.

The previous prime is 674935564393. The next prime is 674935564421. The reversal of 674935564420 is 24465539476.

It is a happy number.

It is a super-2 number, since 2×674935564420² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674935564421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56426760 + ... + 56438719.

It is an arithmetic number, because the mean of its divisors is an integer number (33182451120).

Almost surely, 2^674935564420 is an apocalyptic number.

It is an amenable number.

674935564420 is an abundant number, since it is smaller than the sum of its proper divisors (917822089340).

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

674935564420 is a wasteful number, since it uses less digits than its factorization.

674935564420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112865524 (or 112865522 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 55.

The spelling of 674935564420 in words is "six hundred seventy-four billion, nine hundred thirty-five million, five hundred sixty-four thousand, four hundred twenty".