72054524 has 12 divisors (see below), whose sum is σ = 126266448. Its totient is φ = 35978400.

The previous prime is 72054497. The next prime is 72054529. The reversal of 72054524 is 42545027.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72054529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792 + ... + 14879.

It is an arithmetic number, because the mean of its divisors is an integer number (10522204).

Almost surely, 2^72054524 is an apocalyptic number.

It is an amenable number.

72054524 is a deficient number, since it is larger than the sum of its proper divisors (54211924).

72054524 is a wasteful number, since it uses less digits than its factorization.

72054524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24436 (or 24434 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 72054524 is about 8488.4936237238. The cubic root of 72054524 is about 416.1217515304.

The spelling of 72054524 in words is "seventy-two million, fifty-four thousand, five hundred twenty-four".