72548961 has 8 divisors (see below), whose sum is σ = 96781344. Its totient is φ = 48341280.

The previous prime is 72548951. The next prime is 72549019. The reversal of 72548961 is 16984527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72548961 - 2⁵ = 72548929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72548921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2370 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (12097668).

Almost surely, 2^72548961 is an apocalyptic number.

It is an amenable number.

72548961 is a deficient number, since it is larger than the sum of its proper divisors (24232383).

72548961 is a wasteful number, since it uses less digits than its factorization.

72548961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12351.

The product of its digits is 120960, while the sum is 42.

The square root of 72548961 is about 8517.5677866396. The cubic root of 72548961 is about 417.0713896488.

The spelling of 72548961 in words is "seventy-two million, five hundred forty-eight thousand, nine hundred sixty-one".