72272995 has 8 divisors (see below), whose sum is σ = 87523920. Its totient is φ = 57287520.

The previous prime is 72272989. The next prime is 72273007. The reversal of 72272995 is 59927227.

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

It is not a de Polignac number, because 72272995 - 2³ = 72272987 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65761 + ... + 66850.

It is an arithmetic number, because the mean of its divisors is an integer number (10940490).

Almost surely, 2^72272995 is an apocalyptic number.

72272995 is a deficient number, since it is larger than the sum of its proper divisors (15250925).

72272995 is a wasteful number, since it uses less digits than its factorization.

72272995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132725.

The product of its digits is 158760, while the sum is 43.

The square root of 72272995 is about 8501.3525394492. The cubic root of 72272995 is about 416.5418908159.

The spelling of 72272995 in words is "seventy-two million, two hundred seventy-two thousand, nine hundred ninety-five".