72235887 has 8 divisors (see below), whose sum is σ = 96430080. Its totient is φ = 48099480.

The previous prime is 72235861. The next prime is 72235903. The reversal of 72235887 is 78853227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72235887 - 2⁷ = 72235759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72235817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11439 + ... + 16592.

It is an arithmetic number, because the mean of its divisors is an integer number (12053760).

Almost surely, 2^72235887 is an apocalyptic number.

72235887 is a deficient number, since it is larger than the sum of its proper divisors (24194193).

72235887 is a wasteful number, since it uses less digits than its factorization.

72235887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28893.

The product of its digits is 188160, while the sum is 42.

The square root of 72235887 is about 8499.1697829847. The cubic root of 72235887 is about 416.4705885604.

The spelling of 72235887 in words is "seventy-two million, two hundred thirty-five thousand, eight hundred eighty-seven".