72195954 has 32 divisors (see below), whose sum is σ = 148911360. Its totient is φ = 23317632.

The previous prime is 72195943. The next prime is 72195961. The reversal of 72195954 is 45959127.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68967 + ... + 70005.

It is an arithmetic number, because the mean of its divisors is an integer number (4653480).

Almost surely, 2^72195954 is an apocalyptic number.

72195954 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72195954 is an abundant number, since it is smaller than the sum of its proper divisors (76715406).

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

72195954 is a wasteful number, since it uses less digits than its factorization.

72195954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394.

The product of its digits is 113400, while the sum is 42.

The square root of 72195954 is about 8496.8202287679. The cubic root of 72195954 is about 416.3938308422.

The spelling of 72195954 in words is "seventy-two million, one hundred ninety-five thousand, nine hundred fifty-four".