674437620620 has 24 divisors (see below), whose sum is σ = 1416410200464. Its totient is φ = 269757677376.

The previous prime is 674437620599. The next prime is 674437620643. The reversal of 674437620620 is 26026734476.

674437620620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×674437620620² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764999 + ... + 1390718.

It is an arithmetic number, because the mean of its divisors is an integer number (59017091686).

Almost surely, 2^674437620620 is an apocalyptic number.

It is an amenable number.

674437620620 is an abundant number, since it is smaller than the sum of its proper divisors (741972579844).

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

674437620620 is a wasteful number, since it uses less digits than its factorization.

674437620620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171369 (or 2171367 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 47.

The spelling of 674437620620 in words is "six hundred seventy-four billion, four hundred thirty-seven million, six hundred twenty thousand, six hundred twenty".