72795497 has 2 divisors, whose sum is σ = 72795498. Its totient is φ = 72795496.

The previous prime is 72795473. The next prime is 72795523. The reversal of 72795497 is 79459727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72318016 + 477481 = 8504^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 72795497 - 2¹⁸ = 72533353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72795407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36397748 + 36397749.

It is an arithmetic number, because the mean of its divisors is an integer number (36397749).

Almost surely, 2^72795497 is an apocalyptic number.

It is an amenable number.

72795497 is a deficient number, since it is larger than the sum of its proper divisors (1).

72795497 is an equidigital number, since it uses as much as digits as its factorization.

72795497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 50.

The square root of 72795497 is about 8532.0277191298. The cubic root of 72795497 is about 417.5432864151.

The spelling of 72795497 in words is "seventy-two million, seven hundred ninety-five thousand, four hundred ninety-seven".