72196964 has 12 divisors (see below), whose sum is σ = 144393984. Its totient is φ = 30941544.

The previous prime is 72196963. The next prime is 72196973. The reversal of 72196964 is 46969127.

72196964 is an admirable number.

It is a super-2 number, since 2×72196964² = 10424803221634592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72196963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289204 + ... + 1289259.

It is an arithmetic number, because the mean of its divisors is an integer number (12032832).

Almost surely, 2^72196964 is an apocalyptic number.

It is an amenable number.

72196964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72196964 is a wasteful number, since it uses less digits than its factorization.

72196964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578474 (or 2578472 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 72196964 is about 8496.8796625585. The cubic root of 72196964 is about 416.3957725753.

The spelling of 72196964 in words is "seventy-two million, one hundred ninety-six thousand, nine hundred sixty-four".