72250559 has 8 divisors (see below), whose sum is σ = 76131840. Its totient is φ = 68377176.

The previous prime is 72250543. The next prime is 72250583. The reversal of 72250559 is 95505227.

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

It is a cyclic number.

It is not a de Polignac number, because 72250559 - 2⁴ = 72250543 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 (72252559) 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, 31634 + ... + 33840.

It is an arithmetic number, because the mean of its divisors is an integer number (9516480).

Almost surely, 2^72250559 is an apocalyptic number.

72250559 is a deficient number, since it is larger than the sum of its proper divisors (3881281).

72250559 is a wasteful number, since it uses less digits than its factorization.

72250559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 72250559 is about 8500.0328822893. The cubic root of 72250559 is about 416.4987834234.

The spelling of 72250559 in words is "seventy-two million, two hundred fifty thousand, five hundred fifty-nine".