72274707 has 16 divisors (see below), whose sum is σ = 107236000. Its totient is φ = 48110112.

The previous prime is 72274703. The next prime is 72274711. The reversal of 72274707 is 70747227.

It is an interprime number because it is at equal distance from previous prime (72274703) and next prime (72274711).

It is not a de Polignac number, because 72274707 - 2² = 72274703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72274703) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20769 + ... + 23997.

It is an arithmetic number, because the mean of its divisors is an integer number (6702250).

Almost surely, 2^72274707 is an apocalyptic number.

72274707 is a deficient number, since it is larger than the sum of its proper divisors (34961293).

72274707 is a wasteful number, since it uses less digits than its factorization.

72274707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067 (or 4061 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

The square root of 72274707 is about 8501.4532287133. The cubic root of 72274707 is about 416.5451797995.

The spelling of 72274707 in words is "seventy-two million, two hundred seventy-four thousand, seven hundred seven".