72415208 has 32 divisors (see below), whose sum is σ = 138801600. Its totient is φ = 35409792.

The previous prime is 72415207. The next prime is 72415219. The reversal of 72415208 is 80251427.

It is not an unprimeable number, because it can be changed into a prime (72415207) 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, 89108 + ... + 89916.

It is an arithmetic number, because the mean of its divisors is an integer number (4337550).

Almost surely, 2^72415208 is an apocalyptic number.

It is an amenable number.

72415208 is a deficient number, since it is larger than the sum of its proper divisors (66386392).

72415208 is a wasteful number, since it uses less digits than its factorization.

72415208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 72415208 is about 8509.7125685889. The cubic root of 72415208 is about 416.8149243787.

The spelling of 72415208 in words is "seventy-two million, four hundred fifteen thousand, two hundred eight".