72388854 has 24 divisors (see below), whose sum is σ = 157020552. Its totient is φ = 24102240.

The previous prime is 72388807. The next prime is 72388859. The reversal of 72388854 is 45888327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72388859) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19789 + ... + 23159.

It is an arithmetic number, because the mean of its divisors is an integer number (6542523).

Almost surely, 2^72388854 is an apocalyptic number.

72388854 is an abundant number, since it is smaller than the sum of its proper divisors (84631698).

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

72388854 is a wasteful number, since it uses less digits than its factorization.

72388854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572 (or 4569 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 72388854 is about 8508.1639617487. The cubic root of 72388854 is about 416.7643545530.

The spelling of 72388854 in words is "seventy-two million, three hundred eighty-eight thousand, eight hundred fifty-four".