674500820 has 48 divisors (see below), whose sum is σ = 1620718848. Its totient is φ = 230983680.

The previous prime is 674500793. The next prime is 674500837. The reversal of 674500820 is 28005476.

It is a congruent number.

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, 142004 + ... + 146676.

It is an arithmetic number, because the mean of its divisors is an integer number (33764976).

Almost surely, 2^674500820 is an apocalyptic number.

It is an amenable number.

674500820 is an abundant number, since it is smaller than the sum of its proper divisors (946218028).

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

674500820 is a wasteful number, since it uses less digits than its factorization.

674500820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720 (or 5718 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 674500820 is about 25971.1536131917. The cubic root of 674500820 is about 876.9890294447.

The spelling of 674500820 in words is "six hundred seventy-four million, five hundred thousand, eight hundred twenty".