72683999 has 2 divisors, whose sum is σ = 72684000. Its totient is φ = 72683998.

The previous prime is 72683981. The next prime is 72684037. The reversal of 72683999 is 99938627.

It is a weak prime.

It is an emirp because it is prime and its reverse (99938627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72683999 - 2¹⁶ = 72618463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72683999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72683099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36341999 + 36342000.

It is an arithmetic number, because the mean of its divisors is an integer number (36342000).

Almost surely, 2^72683999 is an apocalyptic number.

72683999 is a deficient number, since it is larger than the sum of its proper divisors (1).

72683999 is an equidigital number, since it uses as much as digits as its factorization.

72683999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 72683999 is about 8525.4911295479. The cubic root of 72683999 is about 417.3299992730.

The spelling of 72683999 in words is "seventy-two million, six hundred eighty-three thousand, nine hundred ninety-nine".