72192322 has 8 divisors (see below), whose sum is σ = 108334656. Its totient is φ = 36080772.

The previous prime is 72192301. The next prime is 72192371. The reversal of 72192322 is 22329127.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 478 + ... + 12025.

It is an arithmetic number, because the mean of its divisors is an integer number (13541832).

Almost surely, 2^72192322 is an apocalyptic number.

72192322 is a deficient number, since it is larger than the sum of its proper divisors (36142334).

72192322 is a wasteful number, since it uses less digits than its factorization.

72192322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15392.

The product of its digits is 3024, while the sum is 28.

The square root of 72192322 is about 8496.6064990677. The cubic root of 72192322 is about 416.3868481437.

The spelling of 72192322 in words is "seventy-two million, one hundred ninety-two thousand, three hundred twenty-two".