674891436 has 12 divisors (see below), whose sum is σ = 1574746712. Its totient is φ = 224963808.

The previous prime is 674891353. The next prime is 674891467. The reversal of 674891436 is 634198476.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×674891436² = 910956900772284192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28120465 + ... + 28120488.

Almost surely, 2^674891436 is an apocalyptic number.

It is an amenable number.

674891436 is an abundant number, since it is smaller than the sum of its proper divisors (899855276).

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

674891436 is a wasteful number, since it uses less digits than its factorization.

674891436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56240960 (or 56240958 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 674891436 is about 25978.6727143632. The cubic root of 674891436 is about 877.1582903406.

The spelling of 674891436 in words is "six hundred seventy-four million, eight hundred ninety-one thousand, four hundred thirty-six".