612056755 has 4 divisors (see below), whose sum is σ = 734468112. Its totient is φ = 489645400.

The previous prime is 612056741. The next prime is 612056761. The reversal of 612056755 is 557650216.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 612056755 - 2¹⁷ = 611925683 is a prime.

It is a super-2 number, since 2×612056755² = 749226942682260050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61205671 + ... + 61205680.

It is an arithmetic number, because the mean of its divisors is an integer number (183617028).

Almost surely, 2^612056755 is an apocalyptic number.

612056755 is a deficient number, since it is larger than the sum of its proper divisors (122411357).

612056755 is a wasteful number, since it uses less digits than its factorization.

612056755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122411356.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 612056755 is about 24739.7808195627. The cubic root of 612056755 is about 849.0447191881.

The spelling of 612056755 in words is "six hundred twelve million, fifty-six thousand, seven hundred fifty-five".