674940392 has 64 divisors (see below), whose sum is σ = 1535760000. Its totient is φ = 271466496.

The previous prime is 674940377. The next prime is 674940437. The reversal of 674940392 is 293049476.

It is a super-2 number, since 2×674940392² = 911089065506227328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426659 + ... + 428237.

It is an arithmetic number, because the mean of its divisors is an integer number (23996250).

Almost surely, 2^674940392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674940392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767880000).

674940392 is an abundant number, since it is smaller than the sum of its proper divisors (860819608).

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

674940392 is a wasteful number, since it uses less digits than its factorization.

674940392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 674940392 is about 25979.6149317114. The cubic root of 674940392 is about 877.1794992446.

The spelling of 674940392 in words is "six hundred seventy-four million, nine hundred forty thousand, three hundred ninety-two".