72237385 has 16 divisors (see below), whose sum is σ = 94756032. Its totient is φ = 52430400.

The previous prime is 72237313. The next prime is 72237401. The reversal of 72237385 is 58373227.

It is not a de Polignac number, because 72237385 - 2¹⁹ = 71713097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35362 + ... + 37348.

It is an arithmetic number, because the mean of its divisors is an integer number (5922252).

Almost surely, 2^72237385 is an apocalyptic number.

It is an amenable number.

72237385 is a deficient number, since it is larger than the sum of its proper divisors (22518647).

72237385 is a wasteful number, since it uses less digits than its factorization.

72237385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664.

The product of its digits is 70560, while the sum is 37.

The square root of 72237385 is about 8499.2579087824. The cubic root of 72237385 is about 416.4734674093.

The spelling of 72237385 in words is "seventy-two million, two hundred thirty-seven thousand, three hundred eighty-five".