72367696 has 20 divisors (see below), whose sum is σ = 140476500. Its totient is φ = 36115712.

The previous prime is 72367693. The next prime is 72367699. The reversal of 72367696 is 69676327.

It is an interprime number because it is at equal distance from previous prime (72367693) and next prime (72367699).

It can be written as a sum of positive squares in 2 ways, for example, as 22467600 + 49900096 = 4740^2 + 7064^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72367693) 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, 5130 + ... + 13078.

It is an arithmetic number, because the mean of its divisors is an integer number (7023825).

Almost surely, 2^72367696 is an apocalyptic number.

It is an amenable number.

72367696 is a deficient number, since it is larger than the sum of its proper divisors (68108804).

72367696 is a wasteful number, since it uses less digits than its factorization.

72367696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526 (or 8520 counting only the distinct ones).

The product of its digits is 571536, while the sum is 46.

The square root of 72367696 is about 8506.9204768823. The cubic root of 72367696 is about 416.7237462780.

The spelling of 72367696 in words is "seventy-two million, three hundred sixty-seven thousand, six hundred ninety-six".