674904923 has 16 divisors (see below), whose sum is σ = 846617856. Its totient is φ = 522663840.

The previous prime is 674904917. The next prime is 674904931. The reversal of 674904923 is 329409476.

It is a cyclic number.

It is not a de Polignac number, because 674904923 - 2⁶ = 674904859 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (674904943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14336 + ... + 39437.

It is an arithmetic number, because the mean of its divisors is an integer number (52913616).

Almost surely, 2^674904923 is an apocalyptic number.

674904923 is a deficient number, since it is larger than the sum of its proper divisors (171712933).

674904923 is a wasteful number, since it uses less digits than its factorization.

674904923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53954.

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

The square root of 674904923 is about 25978.9322913780. The cubic root of 674904923 is about 877.1641333322.

The spelling of 674904923 in words is "six hundred seventy-four million, nine hundred four thousand, nine hundred twenty-three".