72611434 has 24 divisors (see below), whose sum is σ = 129653568. Its totient is φ = 30393720.

The previous prime is 72611419. The next prime is 72611449. The reversal of 72611434 is 43411627.

It is an interprime number because it is at equal distance from previous prime (72611419) and next prime (72611449).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4402 + ... + 12829.

It is an arithmetic number, because the mean of its divisors is an integer number (5402232).

Almost surely, 2^72611434 is an apocalyptic number.

72611434 is a deficient number, since it is larger than the sum of its proper divisors (57042134).

72611434 is a wasteful number, since it uses less digits than its factorization.

72611434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17290 (or 17283 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 72611434 is about 8521.2343002643. The cubic root of 72611434 is about 417.1910707817.

The spelling of 72611434 in words is "seventy-two million, six hundred eleven thousand, four hundred thirty-four".