72773075 has 12 divisors (see below), whose sum is σ = 91255320. Its totient is φ = 57562560.

The previous prime is 72773053. The next prime is 72773147. The reversal of 72773075 is 57037727.

It is not a de Polignac number, because 72773075 - 2¹² = 72768979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14129 + ... + 18578.

It is an arithmetic number, because the mean of its divisors is an integer number (7604610).

Almost surely, 2^72773075 is an apocalyptic number.

72773075 is a deficient number, since it is larger than the sum of its proper divisors (18482245).

72773075 is a wasteful number, since it uses less digits than its factorization.

72773075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32806 (or 32801 counting only the distinct ones).

The product of its (nonzero) digits is 72030, while the sum is 38.

The square root of 72773075 is about 8530.7136278274. The cubic root of 72773075 is about 417.5004123485.

The spelling of 72773075 in words is "seventy-two million, seven hundred seventy-three thousand, seventy-five".