72008238 has 32 divisors (see below), whose sum is σ = 147972096. Its totient is φ = 23351328.

The previous prime is 72008221. The next prime is 72008329. The reversal of 72008238 is 83280027.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39495 + ... + 41277.

It is an arithmetic number, because the mean of its divisors is an integer number (4624128).

Almost surely, 2^72008238 is an apocalyptic number.

72008238 is an abundant number, since it is smaller than the sum of its proper divisors (75963858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72008238 is a wasteful number, since it uses less digits than its factorization.

72008238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 72008238 is about 8485.7667891594. The cubic root of 72008238 is about 416.0326304225.

The spelling of 72008238 in words is "seventy-two million, eight thousand, two hundred thirty-eight".