72237304 has 16 divisors (see below), whose sum is σ = 138001320. Its totient is φ = 35436960.

The previous prime is 72237293. The next prime is 72237311. The reversal of 72237304 is 40373227.

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 3 ways as a sum of consecutive naturals, for example, 84762 + ... + 85609.

Almost surely, 2^72237304 is an apocalyptic number.

It is an amenable number.

72237304 is a deficient number, since it is larger than the sum of its proper divisors (65764016).

72237304 is a wasteful number, since it uses less digits than its factorization.

72237304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170430 (or 170426 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 72237304 is about 8499.2531436592. The cubic root of 72237304 is about 416.4733117450.

The spelling of 72237304 in words is "seventy-two million, two hundred thirty-seven thousand, three hundred four".