612432056 has 8 divisors (see below), whose sum is σ = 1148310120. Its totient is φ = 306216024.

The previous prime is 612432049. The next prime is 612432071. The reversal of 612432056 is 650234216.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38276996 + ... + 38277011.

It is an arithmetic number, because the mean of its divisors is an integer number (143538765).

Almost surely, 2^612432056 is an apocalyptic number.

It is an amenable number.

612432056 is a deficient number, since it is larger than the sum of its proper divisors (535878064).

612432056 is a wasteful number, since it uses less digits than its factorization.

612432056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76554013 (or 76554009 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 612432056 is about 24747.3646273699. The cubic root of 612432056 is about 849.2182228282.

The spelling of 612432056 in words is "six hundred twelve million, four hundred thirty-two thousand, fifty-six".