72699960 has 64 divisors (see below), whose sum is σ = 225146880. Its totient is φ = 18760320.

The previous prime is 72699959. The next prime is 72699967. The reversal of 72699960 is 6999627.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72699967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6052 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (3517920).

Almost surely, 2^72699960 is an apocalyptic number.

It is an amenable number.

72699960 is an abundant number, since it is smaller than the sum of its proper divisors (152446920).

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

72699960 is a wasteful number, since it uses less digits than its factorization.

72699960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19588 (or 19584 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 72699960 is about 8526.4271532688. The cubic root of 72699960 is about 417.3605448158.

The spelling of 72699960 in words is "seventy-two million, six hundred ninety-nine thousand, nine hundred sixty".