72795523 has 2 divisors, whose sum is σ = 72795524. Its totient is φ = 72795522.

The previous prime is 72795497. The next prime is 72795571. The reversal of 72795523 is 32559727.

It is a weak prime.

It is an emirp because it is prime and its reverse (32559727) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72795523 - 2⁹ = 72795011 is a prime.

It is not a weakly prime, because it can be changed into another prime (72795923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36397761 + 36397762.

It is an arithmetic number, because the mean of its divisors is an integer number (36397762).

Almost surely, 2^72795523 is an apocalyptic number.

72795523 is a deficient number, since it is larger than the sum of its proper divisors (1).

72795523 is an equidigital number, since it uses as much as digits as its factorization.

72795523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 40.

The square root of 72795523 is about 8532.0292428003. The cubic root of 72795523 is about 417.5433361257.

The spelling of 72795523 in words is "seventy-two million, seven hundred ninety-five thousand, five hundred twenty-three".