72608398 has 8 divisors (see below), whose sum is σ = 109064592. Its totient is φ = 36253536.

The previous prime is 72608387. The next prime is 72608399. The reversal of 72608398 is 89380627.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72608399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23515 + ... + 26422.

It is an arithmetic number, because the mean of its divisors is an integer number (13633074).

Almost surely, 2^72608398 is an apocalyptic number.

72608398 is a deficient number, since it is larger than the sum of its proper divisors (36456194).

72608398 is a wasteful number, since it uses less digits than its factorization.

72608398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50666.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 72608398 is about 8521.0561551958. The cubic root of 72608398 is about 417.1852562257.

The spelling of 72608398 in words is "seventy-two million, six hundred eight thousand, three hundred ninety-eight".