72207704 has 32 divisors (see below), whose sum is σ = 144698400. Its totient is φ = 33661440.

The previous prime is 72207703. The next prime is 72207719. The reversal of 72207704 is 40770227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72207701) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12389 + ... + 17259.

It is an arithmetic number, because the mean of its divisors is an integer number (4521825).

Almost surely, 2^72207704 is an apocalyptic number.

It is an amenable number.

72207704 is an abundant number, since it is smaller than the sum of its proper divisors (72490696).

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

72207704 is a wasteful number, since it uses less digits than its factorization.

72207704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003 (or 4999 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 72207704 is about 8497.5116357673. The cubic root of 72207704 is about 416.4164191907.

The spelling of 72207704 in words is "seventy-two million, two hundred seven thousand, seven hundred four".