613671504 has 20 divisors (see below), whose sum is σ = 1585318176. Its totient is φ = 204557152.

The previous prime is 613671503. The next prime is 613671511. The reversal of 613671504 is 405176316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613671503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6392364 + ... + 6392459.

Almost surely, 2^613671504 is an apocalyptic number.

It is an amenable number.

613671504 is an abundant number, since it is smaller than the sum of its proper divisors (971646672).

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

613671504 is a wasteful number, since it uses less digits than its factorization.

613671504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12784834 (or 12784828 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 613671504 is about 24772.3939900850. The cubic root of 613671504 is about 849.7907231037.

The spelling of 613671504 in words is "six hundred thirteen million, six hundred seventy-one thousand, five hundred four".