72500049 has 8 divisors (see below), whose sum is σ = 107407520. Its totient is φ = 48333348.

The previous prime is 72500033. The next prime is 72500059. The reversal of 72500049 is 94000527.

It is not a de Polignac number, because 72500049 - 2⁴ = 72500033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2685187 = 72500049 / (7 + 2 + 5 + 0 + 0 + 0 + 4 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72499995 and 72500031.

It is not an unprimeable number, because it can be changed into a prime (72500059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342567 + ... + 1342620.

It is an arithmetic number, because the mean of its divisors is an integer number (13425940).

Almost surely, 2^72500049 is an apocalyptic number.

It is an amenable number.

72500049 is a deficient number, since it is larger than the sum of its proper divisors (34907471).

72500049 is a wasteful number, since it uses less digits than its factorization.

72500049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685196 (or 2685190 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 72500049 is about 8514.6960603418. The cubic root of 72500049 is about 416.9776397099.

The spelling of 72500049 in words is "seventy-two million, five hundred thousand, forty-nine".