72295316 has 12 divisors (see below), whose sum is σ = 127249332. Its totient is φ = 35938368.

The previous prime is 72295313. The next prime is 72295319. The reversal of 72295316 is 61359227.

It is an interprime number because it is at equal distance from previous prime (72295313) and next prime (72295319).

It can be written as a sum of positive squares in 2 ways, for example, as 69722500 + 2572816 = 8350^2 + 1604^2 .

It is a super-2 number, since 2×72295316² = 10453225431079712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72295313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51545 + ... + 52928.

It is an arithmetic number, because the mean of its divisors is an integer number (10604111).

Almost surely, 2^72295316 is an apocalyptic number.

It is an amenable number.

72295316 is a deficient number, since it is larger than the sum of its proper divisors (54954016).

72295316 is a wasteful number, since it uses less digits than its factorization.

72295316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104650 (or 104648 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 72295316 is about 8502.6652292090. The cubic root of 72295316 is about 416.5847684013.

The spelling of 72295316 in words is "seventy-two million, two hundred ninety-five thousand, three hundred sixteen".