674291904 has 224 divisors, whose sum is σ = 2150668800. Its totient is φ = 183705600.

The previous prime is 674291903. The next prime is 674291929. The reversal of 674291904 is 409192476.

It is not an unprimeable number, because it can be changed into a prime (674291903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1125397 + ... + 1125995.

It is an arithmetic number, because the mean of its divisors is an integer number (9601200).

Almost surely, 2^674291904 is an apocalyptic number.

674291904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674291904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075334400).

674291904 is an abundant number, since it is smaller than the sum of its proper divisors (1476376896).

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

674291904 is a wasteful number, since it uses less digits than its factorization.

674291904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 674291904 is about 25967.1312239146. The cubic root of 674291904 is about 876.8984755842.

The spelling of 674291904 in words is "six hundred seventy-four million, two hundred ninety-one thousand, nine hundred four".