72541479 has 4 divisors (see below), whose sum is σ = 96721976. Its totient is φ = 48360984.

The previous prime is 72541477. The next prime is 72541489. The reversal of 72541479 is 97414527.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 72541479 - 2¹ = 72541477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72541477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12090244 + ... + 12090249.

It is an arithmetic number, because the mean of its divisors is an integer number (24180494).

Almost surely, 2^72541479 is an apocalyptic number.

72541479 is a deficient number, since it is larger than the sum of its proper divisors (24180497).

72541479 is a wasteful number, since it uses less digits than its factorization.

72541479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24180496.

The product of its digits is 70560, while the sum is 39.

The square root of 72541479 is about 8517.1285654263. The cubic root of 72541479 is about 417.0570515826.

The spelling of 72541479 in words is "seventy-two million, five hundred forty-one thousand, four hundred seventy-nine".