612625056 has 192 divisors, whose sum is σ = 1872460800. Its totient is φ = 173961216.

The previous prime is 612625031. The next prime is 612625063. The reversal of 612625056 is 650526216.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712755 + ... + 713613.

It is an arithmetic number, because the mean of its divisors is an integer number (9752400).

Almost surely, 2^612625056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612625056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936230400).

612625056 is an abundant number, since it is smaller than the sum of its proper divisors (1259835744).

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

612625056 is a wasteful number, since it uses less digits than its factorization.

612625056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 612625056 is about 24751.2637253131. The cubic root of 612625056 is about 849.3074201531.

The spelling of 612625056 in words is "six hundred twelve million, six hundred twenty-five thousand, fifty-six".