3122734644 has 72 divisors (see below), whose sum is σ = 7949515392. Its totient is φ = 1033568640.

The previous prime is 3122734627. The next prime is 3122734649. The reversal of 3122734644 is 4464372213.

3122734644 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 7 + 3 + 4 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3122734599 and 3122734608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122734649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4856187 + ... + 4856829.

It is an arithmetic number, because the mean of its divisors is an integer number (110409936).

Almost surely, 2^3122734644 is an apocalyptic number.

It is an amenable number.

3122734644 is an abundant number, since it is smaller than the sum of its proper divisors (4826780748).

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

3122734644 is a wasteful number, since it uses less digits than its factorization.

3122734644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1392 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 3122734644 is about 55881.4338040820. The cubic root of 3122734644 is about 1461.6555068468.

The spelling of 3122734644 in words is "three billion, one hundred twenty-two million, seven hundred thirty-four thousand, six hundred forty-four".