72500000023 has 8 divisors (see below), whose sum is σ = 79093478160. Its totient is φ = 65906950080.

The previous prime is 72500000017. The next prime is 72500000033. The reversal of 72500000023 is 32000000527.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72500000023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72500000033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321643 + ... + 498451.

It is an arithmetic number, because the mean of its divisors is an integer number (9886684770).

Almost surely, 2^72500000023 is an apocalyptic number.

72500000023 is a deficient number, since it is larger than the sum of its proper divisors (6593478137).

72500000023 is a wasteful number, since it uses less digits than its factorization.

72500000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214097.

The product of its (nonzero) digits is 420, while the sum is 19.

The spelling of 72500000023 in words is "seventy-two billion, five hundred million, twenty-three", and thus it is an aban number.