72288951 has 8 divisors (see below), whose sum is σ = 110154624. Its totient is φ = 41307960.

The previous prime is 72288941. The next prime is 72288973. The reversal of 72288951 is 15988227.

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

It is not a de Polignac number, because 72288951 - 2⁵ = 72288919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72288941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721145 + ... + 1721186.

It is an arithmetic number, because the mean of its divisors is an integer number (13769328).

Almost surely, 2^72288951 is an apocalyptic number.

72288951 is a deficient number, since it is larger than the sum of its proper divisors (37865673).

72288951 is a wasteful number, since it uses less digits than its factorization.

72288951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442341.

The product of its digits is 80640, while the sum is 42.

The square root of 72288951 is about 8502.2909265680. The cubic root of 72288951 is about 416.5725424369.

The spelling of 72288951 in words is "seventy-two million, two hundred eighty-eight thousand, nine hundred fifty-one".