72422384 has 20 divisors (see below), whose sum is σ = 140568384. Its totient is φ = 36146688.

The previous prime is 72422369. The next prime is 72422393. The reversal of 72422384 is 48322427.

It is a self number, because there is not a number n which added to its sum of digits gives 72422384.

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, 5984 + ... + 13440.

Almost surely, 2^72422384 is an apocalyptic number.

It is an amenable number.

72422384 is a deficient number, since it is larger than the sum of its proper divisors (68146000).

72422384 is a wasteful number, since it uses less digits than its factorization.

72422384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072 (or 8066 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 72422384 is about 8510.1341940066. The cubic root of 72422384 is about 416.8286920443.

The spelling of 72422384 in words is "seventy-two million, four hundred twenty-two thousand, three hundred eighty-four".