72828583 has 2 divisors, whose sum is σ = 72828584. Its totient is φ = 72828582.

The previous prime is 72828529. The next prime is 72828589. The reversal of 72828583 is 38582827.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72828583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72828589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36414291 + 36414292.

It is an arithmetic number, because the mean of its divisors is an integer number (36414292).

Almost surely, 2^72828583 is an apocalyptic number.

72828583 is a deficient number, since it is larger than the sum of its proper divisors (1).

72828583 is an equidigital number, since it uses as much as digits as its factorization.

72828583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 43.

The square root of 72828583 is about 8533.9664283380. The cubic root of 72828583 is about 417.6065354955.

The spelling of 72828583 in words is "seventy-two million, eight hundred twenty-eight thousand, five hundred eighty-three".