72886516 has 6 divisors (see below), whose sum is σ = 127551410. Its totient is φ = 36443256.

The previous prime is 72886511. The next prime is 72886523. The reversal of 72886516 is 61568827.

It can be written as a sum of positive squares in only one way, i.e., 67174416 + 5712100 = 8196^2 + 2390^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72886511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9110811 + ... + 9110818.

Almost surely, 2^72886516 is an apocalyptic number.

It is an amenable number.

72886516 is a deficient number, since it is larger than the sum of its proper divisors (54664894).

72886516 is a wasteful number, since it uses less digits than its factorization.

72886516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18221633 (or 18221631 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 72886516 is about 8537.3600134936. The cubic root of 72886516 is about 417.7172373943.

The spelling of 72886516 in words is "seventy-two million, eight hundred eighty-six thousand, five hundred sixteen".