72795901 has 2 divisors, whose sum is σ = 72795902. Its totient is φ = 72795900.

The previous prime is 72795889. The next prime is 72795907. The reversal of 72795901 is 10959727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63584676 + 9211225 = 7974^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 72795901 - 2¹⁹ = 72271613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72795907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36397950 + 36397951.

It is an arithmetic number, because the mean of its divisors is an integer number (36397951).

Almost surely, 2^72795901 is an apocalyptic number.

It is an amenable number.

72795901 is a deficient number, since it is larger than the sum of its proper divisors (1).

72795901 is an equidigital number, since it uses as much as digits as its factorization.

72795901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 72795901 is about 8532.0513945944. The cubic root of 72795901 is about 417.5440588401.

The spelling of 72795901 in words is "seventy-two million, seven hundred ninety-five thousand, nine hundred one".