674923392 has 384 divisors, whose sum is σ = 2425943520. Its totient is φ = 176947200.

The previous prime is 674923387. The next prime is 674923393. The reversal of 674923392 is 293329476.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674923393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2800392 + ... + 2800632.

Almost surely, 2^674923392 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 674923392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212971760).

674923392 is an abundant number, since it is smaller than the sum of its proper divisors (1751020128).

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

674923392 is a wasteful number, since it uses less digits than its factorization.

674923392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 287 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 674923392 is about 25979.2877500520. The cubic root of 674923392 is about 877.1721345563.

The spelling of 674923392 in words is "six hundred seventy-four million, nine hundred twenty-three thousand, three hundred ninety-two".