72704352 has 48 divisors (see below), whose sum is σ = 218115072. Its totient is φ = 20772480.

The previous prime is 72704351. The next prime is 72704353. The reversal of 72704352 is 25340727.

It is an interprime number because it is at equal distance from previous prime (72704351) and next prime (72704353).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72704351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53424 + ... + 54767.

It is an arithmetic number, because the mean of its divisors is an integer number (4544064).

Almost surely, 2^72704352 is an apocalyptic number.

It is an amenable number.

72704352 is an abundant number, since it is smaller than the sum of its proper divisors (145410720).

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

72704352 is a wasteful number, since it uses less digits than its factorization.

72704352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108211 (or 108203 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 72704352 is about 8526.6847015707. The cubic root of 72704352 is about 417.3689492707.

The spelling of 72704352 in words is "seventy-two million, seven hundred four thousand, three hundred fifty-two".