72876573 has 72 divisors (see below), whose sum is σ = 135940896. Its totient is φ = 37195200.

The previous prime is 72876553. The next prime is 72876577. The reversal of 72876573 is 37567827.

72876573 is a `hidden beast` number, since 7 + 2 + 8 + 76 + 573 = 666.

It is not a de Polignac number, because 72876573 - 2⁶ = 72876509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72876577) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 402543 + ... + 402723.

It is an arithmetic number, because the mean of its divisors is an integer number (1888068).

Almost surely, 2^72876573 is an apocalyptic number.

It is an amenable number.

72876573 is a deficient number, since it is larger than the sum of its proper divisors (63064323).

72876573 is a wasteful number, since it uses less digits than its factorization.

72876573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 285 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 72876573 is about 8536.7776707608. Note that the first 3 decimals coincide. The cubic root of 72876573 is about 417.6982418763.

The spelling of 72876573 in words is "seventy-two million, eight hundred seventy-six thousand, five hundred seventy-three".