612375064 has 64 divisors (see below), whose sum is σ = 1332979200. Its totient is φ = 258336000.

The previous prime is 612375061. The next prime is 612375097. The reversal of 612375064 is 460573216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612375061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175124 + ... + 1175644.

It is an arithmetic number, because the mean of its divisors is an integer number (20827800).

Almost surely, 2^612375064 is an apocalyptic number.

It is an amenable number.

612375064 is an abundant number, since it is smaller than the sum of its proper divisors (720604136).

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

612375064 is a wasteful number, since it uses less digits than its factorization.

612375064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 612375064 is about 24746.2131244358. The cubic root of 612375064 is about 849.1918796903.

The spelling of 612375064 in words is "six hundred twelve million, three hundred seventy-five thousand, sixty-four".