72008458 has 8 divisors (see below), whose sum is σ = 108185760. Its totient is φ = 35946540.

The previous prime is 72008437. The next prime is 72008471. The reversal of 72008458 is 85480027.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 27268 + ... + 29791.

It is an arithmetic number, because the mean of its divisors is an integer number (13523220).

Almost surely, 2^72008458 is an apocalyptic number.

72008458 is a deficient number, since it is larger than the sum of its proper divisors (36177302).

72008458 is a wasteful number, since it uses less digits than its factorization.

72008458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57692.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 72008458 is about 8485.7797520322. The cubic root of 72008458 is about 416.0330541105.

The spelling of 72008458 in words is "seventy-two million, eight thousand, four hundred fifty-eight".