72916072 has 32 divisors (see below), whose sum is σ = 150177600. Its totient is φ = 33035904.

The previous prime is 72916057. The next prime is 72916087. The reversal of 72916072 is 27061927.

It is an interprime number because it is at equal distance from previous prime (72916057) and next prime (72916087).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6933 + ... + 13924.

It is an arithmetic number, because the mean of its divisors is an integer number (4693050).

Almost surely, 2^72916072 is an apocalyptic number.

It is an amenable number.

72916072 is an abundant number, since it is smaller than the sum of its proper divisors (77261528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72916072 is a wasteful number, since it uses less digits than its factorization.

72916072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20905 (or 20901 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 72916072 is about 8539.0908181141. The cubic root of 72916072 is about 417.7736921997.

Adding to 72916072 its reverse (27061927), we get a palindrome (99977999).

The spelling of 72916072 in words is "seventy-two million, nine hundred sixteen thousand, seventy-two".