72750499 has 2 divisors, whose sum is σ = 72750500. Its totient is φ = 72750498.

The previous prime is 72750493. The next prime is 72750511. The reversal of 72750499 is 99405727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72750499 - 2⁷ = 72750371 is a prime.

It is not a weakly prime, because it can be changed into another prime (72750493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36375249 + 36375250.

It is an arithmetic number, because the mean of its divisors is an integer number (36375250).

Almost surely, 2^72750499 is an apocalyptic number.

72750499 is a deficient number, since it is larger than the sum of its proper divisors (1).

72750499 is an equidigital number, since it uses as much as digits as its factorization.

72750499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 72750499 is about 8529.3903064639. The cubic root of 72750499 is about 417.4572349135.

The spelling of 72750499 in words is "seventy-two million, seven hundred fifty thousand, four hundred ninety-nine".