72335901 has 16 divisors (see below), whose sum is σ = 111405888. Its totient is φ = 41260800.

The previous prime is 72335881. The next prime is 72335917. The reversal of 72335901 is 10953327.

It is not a de Polignac number, because 72335901 - 2¹⁷ = 72204829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72335981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63910 + ... + 65031.

It is an arithmetic number, because the mean of its divisors is an integer number (6962868).

Almost surely, 2^72335901 is an apocalyptic number.

It is an amenable number.

72335901 is a deficient number, since it is larger than the sum of its proper divisors (39069987).

72335901 is a wasteful number, since it uses less digits than its factorization.

72335901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128972.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 72335901 is about 8505.0514989622. The cubic root of 72335901 is about 416.6627076602.

The spelling of 72335901 in words is "seventy-two million, three hundred thirty-five thousand, nine hundred one".