72195934 has 16 divisors (see below), whose sum is σ = 114871680. Its totient is φ = 33934680.

The previous prime is 72195887. The next prime is 72195941. The reversal of 72195934 is 43959127.

It is a super-2 number, since 2×72195934² = 10424505772264712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2274 + ... + 12229.

It is an arithmetic number, because the mean of its divisors is an integer number (7179480).

Almost surely, 2^72195934 is an apocalyptic number.

72195934 is a deficient number, since it is larger than the sum of its proper divisors (42675746).

72195934 is a wasteful number, since it uses less digits than its factorization.

72195934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14655.

The product of its digits is 68040, while the sum is 40.

The square root of 72195934 is about 8496.8190518570. The cubic root of 72195934 is about 416.3937923919.

The spelling of 72195934 in words is "seventy-two million, one hundred ninety-five thousand, nine hundred thirty-four".