72922384 has 40 divisors (see below), whose sum is σ = 150847488. Its totient is φ = 34030080.

The previous prime is 72922373. The next prime is 72922411. The reversal of 72922384 is 48322927.

It is a super-3 number, since 3×72922384³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33489 + ... + 35599.

Almost surely, 2^72922384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72922384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75423744).

72922384 is an abundant number, since it is smaller than the sum of its proper divisors (77925104).

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

72922384 is a wasteful number, since it uses less digits than its factorization.

72922384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263 (or 2257 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 72922384 is about 8539.4604044986. The cubic root of 72922384 is about 417.7857467504.

The spelling of 72922384 in words is "seventy-two million, nine hundred twenty-two thousand, three hundred eighty-four".