72898763 has 16 divisors (see below), whose sum is σ = 90531840. Its totient is φ = 57283200.

The previous prime is 72898759. The next prime is 72898781. The reversal of 72898763 is 36789827.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72898763 - 2² = 72898759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72898783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4718 + ... + 12963.

It is an arithmetic number, because the mean of its divisors is an integer number (5658240).

Almost surely, 2^72898763 is an apocalyptic number.

72898763 is a deficient number, since it is larger than the sum of its proper divisors (17633077).

72898763 is a wasteful number, since it uses less digits than its factorization.

72898763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17738.

The product of its digits is 1016064, while the sum is 50.

The square root of 72898763 is about 8538.0772425646. The cubic root of 72898763 is about 417.7406321948.

The spelling of 72898763 in words is "seventy-two million, eight hundred ninety-eight thousand, seven hundred sixty-three".