72317096 has 8 divisors (see below), whose sum is σ = 135594570. Its totient is φ = 36158544.

The previous prime is 72317087. The next prime is 72317101. The reversal of 72317096 is 69071327.

It can be written as a sum of positive squares in only one way, i.e., 47416996 + 24900100 = 6886^2 + 4990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4519811 + ... + 4519826.

Almost surely, 2^72317096 is an apocalyptic number.

It is an amenable number.

72317096 is a deficient number, since it is larger than the sum of its proper divisors (63277474).

72317096 is a wasteful number, since it uses less digits than its factorization.

72317096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039643 (or 9039639 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 72317096 is about 8503.9459076361. The cubic root of 72317096 is about 416.6265982448.

The spelling of 72317096 in words is "seventy-two million, three hundred seventeen thousand, ninety-six".