72140548 has 12 divisors (see below), whose sum is σ = 126480592. Its totient is φ = 36003240.

The previous prime is 72140533. The next prime is 72140557. The reversal of 72140548 is 84504127.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14298 + ... + 18673.

Almost surely, 2^72140548 is an apocalyptic number.

It is an amenable number.

72140548 is a deficient number, since it is larger than the sum of its proper divisors (54340044).

72140548 is a wasteful number, since it uses less digits than its factorization.

72140548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33522 (or 33520 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 72140548 is about 8493.5592068343. The cubic root of 72140548 is about 416.2872846088.

The spelling of 72140548 in words is "seventy-two million, one hundred forty thousand, five hundred forty-eight".