72554548 has 24 divisors (see below), whose sum is σ = 140273280. Its totient is φ = 32560320.

The previous prime is 72554527. The next prime is 72554551. The reversal of 72554548 is 84545527.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 72554548.

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, 6961 + ... + 13912.

It is an arithmetic number, because the mean of its divisors is an integer number (5844720).

Almost surely, 2^72554548 is an apocalyptic number.

It is an amenable number.

72554548 is a deficient number, since it is larger than the sum of its proper divisors (67718732).

72554548 is a wasteful number, since it uses less digits than its factorization.

72554548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20967 (or 20965 counting only the distinct ones).

The product of its digits is 224000, while the sum is 40.

The square root of 72554548 is about 8517.8957495381. The cubic root of 72554548 is about 417.0820956052.

The spelling of 72554548 in words is "seventy-two million, five hundred fifty-four thousand, five hundred forty-eight".