72373066 has 8 divisors (see below), whose sum is σ = 108639360. Its totient is φ = 36159948.

The previous prime is 72373043. The next prime is 72373079. The reversal of 72373066 is 66037327.

It is a happy number.

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, 9696 + ... + 15451.

It is an arithmetic number, because the mean of its divisors is an integer number (13579920).

Almost surely, 2^72373066 is an apocalyptic number.

72373066 is a deficient number, since it is larger than the sum of its proper divisors (36266294).

72373066 is a wasteful number, since it uses less digits than its factorization.

72373066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26588.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 72373066 is about 8507.2360964064. The cubic root of 72373066 is about 416.7340535988.

The spelling of 72373066 in words is "seventy-two million, three hundred seventy-three thousand, sixty-six".