72313195 has 4 divisors (see below), whose sum is σ = 86775840. Its totient is φ = 57850552.

The previous prime is 72313187. The next prime is 72313247. The reversal of 72313195 is 59131327.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72313195 - 2³ = 72313187 is a prime.

It is a super-2 number, since 2×72313195² = 10458396342216050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7231315 + ... + 7231324.

It is an arithmetic number, because the mean of its divisors is an integer number (21693960).

Almost surely, 2^72313195 is an apocalyptic number.

72313195 is a deficient number, since it is larger than the sum of its proper divisors (14462645).

72313195 is a wasteful number, since it uses less digits than its factorization.

72313195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14462644.

The product of its digits is 5670, while the sum is 31.

The square root of 72313195 is about 8503.7165404310. The cubic root of 72313195 is about 416.6191067493.

The spelling of 72313195 in words is "seventy-two million, three hundred thirteen thousand, one hundred ninety-five".