612764955 has 48 divisors (see below), whose sum is σ = 1190034144. Its totient is φ = 289059840.

The previous prime is 612764903. The next prime is 612764963. The reversal of 612764955 is 559467216.

It is not a de Polignac number, because 612764955 - 2⁸ = 612764699 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 612764955.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1587 + ... + 35043.

It is an arithmetic number, because the mean of its divisors is an integer number (24792378).

Almost surely, 2^612764955 is an apocalyptic number.

612764955 is a deficient number, since it is larger than the sum of its proper divisors (577269189).

612764955 is a wasteful number, since it uses less digits than its factorization.

612764955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33516 (or 33513 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 612764955 is about 24754.0896621144. The cubic root of 612764955 is about 849.3720644867.

It can be divided in two parts, 612 and 764955, that added together give a palindrome (765567).

The spelling of 612764955 in words is "six hundred twelve million, seven hundred sixty-four thousand, nine hundred fifty-five".