72308024 has 8 divisors (see below), whose sum is σ = 135577560. Its totient is φ = 36154008.

The previous prime is 72308009. The next prime is 72308039. The reversal of 72308024 is 42080327.

It is an interprime number because it is at equal distance from previous prime (72308009) and next prime (72308039).

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

It is a junction number, because it is equal to n+sod(n) for n = 72307984 and 72308002.

It is a congruent number.

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, 4519244 + ... + 4519259.

It is an arithmetic number, because the mean of its divisors is an integer number (16947195).

Almost surely, 2^72308024 is an apocalyptic number.

It is an amenable number.

72308024 is a deficient number, since it is larger than the sum of its proper divisors (63269536).

72308024 is a wasteful number, since it uses less digits than its factorization.

72308024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038509 (or 9038505 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 72308024 is about 8503.4124914648. The cubic root of 72308024 is about 416.6091759257.

The spelling of 72308024 in words is "seventy-two million, three hundred eight thousand, twenty-four".