72375616 has 28 divisors (see below), whose sum is σ = 144119092. Its totient is φ = 36062208.

The previous prime is 72375553. The next prime is 72375623. The reversal of 72375616 is 61657327.

It can be written as a sum of positive squares in 2 ways, for example, as 193600 + 72182016 = 440^2 + 8496^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18226 + ... + 21838.

Almost surely, 2^72375616 is an apocalyptic number.

It is an amenable number.

72375616 is a deficient number, since it is larger than the sum of its proper divisors (71743476).

72375616 is a wasteful number, since it uses less digits than its factorization.

72375616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938 (or 3928 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 72375616 is about 8507.3859674991. The cubic root of 72375616 is about 416.7389479580.

The spelling of 72375616 in words is "seventy-two million, three hundred seventy-five thousand, six hundred sixteen".