72274235 has 32 divisors (see below), whose sum is σ = 98988480. Its totient is φ = 50176000.

The previous prime is 72274231. The next prime is 72274243. The reversal of 72274235 is 53247227.

It is not a de Polignac number, because 72274235 - 2² = 72274231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72274231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180035 + ... + 180435.

It is an arithmetic number, because the mean of its divisors is an integer number (3093390).

Almost surely, 2^72274235 is an apocalyptic number.

72274235 is a deficient number, since it is larger than the sum of its proper divisors (26714245).

72274235 is a wasteful number, since it uses less digits than its factorization.

72274235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 23520, while the sum is 32.

The square root of 72274235 is about 8501.4254687082. The cubic root of 72274235 is about 416.5442730288.

The spelling of 72274235 in words is "seventy-two million, two hundred seventy-four thousand, two hundred thirty-five".