72704700 has 54 divisors (see below), whose sum is σ = 227891664. Its totient is φ = 19387680.

The previous prime is 72704689. The next prime is 72704719. The reversal of 72704700 is 740727.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 39492 + ... + 41291.

It is an arithmetic number, because the mean of its divisors is an integer number (4220216).

Almost surely, 2^72704700 is an apocalyptic number.

It is an amenable number.

72704700 is an abundant number, since it is smaller than the sum of its proper divisors (155186964).

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

72704700 is a wasteful number, since it uses less digits than its factorization.

72704700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80803 (or 80793 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 72704700 is about 8526.7051080708. The cubic root of 72704700 is about 417.3696151830.

The spelling of 72704700 in words is "seventy-two million, seven hundred four thousand, seven hundred".