72875545 has 8 divisors (see below), whose sum is σ = 92053440. Its totient is φ = 55231920.

The previous prime is 72875531. The next prime is 72875563. The reversal of 72875545 is 54557827.

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

It is not a de Polignac number, because 72875545 - 2¹⁷ = 72744473 is a prime.

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, 383461 + ... + 383650.

It is an arithmetic number, because the mean of its divisors is an integer number (11506680).

Almost surely, 2^72875545 is an apocalyptic number.

It is an amenable number.

72875545 is a deficient number, since it is larger than the sum of its proper divisors (19177895).

72875545 is a wasteful number, since it uses less digits than its factorization.

72875545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767135.

The product of its digits is 392000, while the sum is 43.

The square root of 72875545 is about 8536.7174604762. The cubic root of 72875545 is about 417.6962778441.

The spelling of 72875545 in words is "seventy-two million, eight hundred seventy-five thousand, five hundred forty-five".