72225954 has 24 divisors (see below), whose sum is σ = 164726640. Its totient is φ = 22808088.

The previous prime is 72225953. The next prime is 72225977. The reversal of 72225954 is 45952227.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72225953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105252 + ... + 105935.

It is an arithmetic number, because the mean of its divisors is an integer number (6863610).

Almost surely, 2^72225954 is an apocalyptic number.

72225954 is an abundant number, since it is smaller than the sum of its proper divisors (92500686).

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

72225954 is a wasteful number, since it uses less digits than its factorization.

72225954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211214 (or 211211 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 72225954 is about 8498.5854117023. The cubic root of 72225954 is about 416.4514983631.

The spelling of 72225954 in words is "seventy-two million, two hundred twenty-five thousand, nine hundred fifty-four".