72940716 has 48 divisors (see below), whose sum is σ = 189665280. Its totient is φ = 24241680.

The previous prime is 72940711. The next prime is 72940733. The reversal of 72940716 is 61704927.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (72940711) 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, 45765 + ... + 47331.

It is an arithmetic number, because the mean of its divisors is an integer number (3951360).

Almost surely, 2^72940716 is an apocalyptic number.

It is an amenable number.

72940716 is an abundant number, since it is smaller than the sum of its proper divisors (116724564).

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

72940716 is a wasteful number, since it uses less digits than its factorization.

72940716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011 (or 2003 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 72940716 is about 8540.5337069764. The cubic root of 72940716 is about 417.8207529501.

The spelling of 72940716 in words is "seventy-two million, nine hundred forty thousand, seven hundred sixteen".