612132747 has 32 divisors (see below), whose sum is σ = 898974720. Its totient is φ = 369089280.

The previous prime is 612132691. The next prime is 612132757. The reversal of 612132747 is 747231216.

It is not a de Polignac number, because 612132747 - 2⁶ = 612132683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612132757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107053 + ... + 112625.

It is an arithmetic number, because the mean of its divisors is an integer number (28092960).

Almost surely, 2^612132747 is an apocalyptic number.

612132747 is a deficient number, since it is larger than the sum of its proper divisors (286841973).

612132747 is a wasteful number, since it uses less digits than its factorization.

612132747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683.

The product of its digits is 14112, while the sum is 33.

The square root of 612132747 is about 24741.3165979501. The cubic root of 612132747 is about 849.0798564177.

The spelling of 612132747 in words is "six hundred twelve million, one hundred thirty-two thousand, seven hundred forty-seven".