612780504 has 64 divisors (see below), whose sum is σ = 1853798400. Its totient is φ = 164780544.

The previous prime is 612780491. The next prime is 612780523. The reversal of 612780504 is 405087216.

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, 104424 + ... + 110135.

It is an arithmetic number, because the mean of its divisors is an integer number (28965600).

Almost surely, 2^612780504 is an apocalyptic number.

It is an amenable number.

612780504 is an abundant number, since it is smaller than the sum of its proper divisors (1241017896).

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

612780504 is a wasteful number, since it uses less digits than its factorization.

612780504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214592 (or 214588 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 612780504 is about 24754.4037294377. The cubic root of 612780504 is about 849.3792487392.

The spelling of 612780504 in words is "six hundred twelve million, seven hundred eighty thousand, five hundred four".