72873764 has 24 divisors (see below), whose sum is σ = 135807840. Its totient is φ = 34096256.

The previous prime is 72873763. The next prime is 72873767. The reversal of 72873764 is 46737827.

It is not an unprimeable number, because it can be changed into a prime (72873763) 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, 9179 + ... + 15165.

It is an arithmetic number, because the mean of its divisors is an integer number (5658660).

Almost surely, 2^72873764 is an apocalyptic number.

It is an amenable number.

72873764 is a deficient number, since it is larger than the sum of its proper divisors (62934076).

72873764 is a wasteful number, since it uses less digits than its factorization.

72873764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187 (or 6185 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The square root of 72873764 is about 8536.6131457388. The cubic root of 72873764 is about 417.6928751337.

It can be divided in two parts, 72873 and 764, that added together give a palindrome (73637).

The spelling of 72873764 in words is "seventy-two million, eight hundred seventy-three thousand, seven hundred sixty-four".