72500024 has 8 divisors (see below), whose sum is σ = 135937560. Its totient is φ = 36250008.

The previous prime is 72499997. The next prime is 72500027. The reversal of 72500024 is 42000527.

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 = 72499969 and 72500005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72500027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4531244 + ... + 4531259.

It is an arithmetic number, because the mean of its divisors is an integer number (16992195).

Almost surely, 2^72500024 is an apocalyptic number.

It is an amenable number.

72500024 is a deficient number, since it is larger than the sum of its proper divisors (63437536).

72500024 is a wasteful number, since it uses less digits than its factorization.

72500024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062509 (or 9062505 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 72500024 is about 8514.6945922916. The cubic root of 72500024 is about 416.9775917814.

The spelling of 72500024 in words is "seventy-two million, five hundred thousand, twenty-four".