674034400 has 72 divisors (see below), whose sum is σ = 1772089704. Its totient is φ = 248870400.

The previous prime is 674034397. The next prime is 674034433. The reversal of 674034400 is 4430476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22006 + ... + 42805.

It is an arithmetic number, because the mean of its divisors is an integer number (24612357).

Almost surely, 2^674034400 is an apocalyptic number.

It is an amenable number.

674034400 is an abundant number, since it is smaller than the sum of its proper divisors (1098055304).

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

674034400 is a wasteful number, since it uses less digits than its factorization.

674034400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64844 (or 64831 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 674034400 is about 25962.1724822866. The cubic root of 674034400 is about 876.7868356975.

Adding to 674034400 its reverse (4430476), we get a palindrome (678464876).

The spelling of 674034400 in words is "six hundred seventy-four million, thirty-four thousand, four hundred".