72760297 has 2 divisors, whose sum is σ = 72760298. Its totient is φ = 72760296.

The previous prime is 72760273. The next prime is 72760307. The reversal of 72760297 is 79206727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56911936 + 15848361 = 7544^2 + 3981^2 .

It is a cyclic number.

It is not a de Polignac number, because 72760297 - 2⁷ = 72760169 is a prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36380148 + 36380149.

It is an arithmetic number, because the mean of its divisors is an integer number (36380149).

Almost surely, 2^72760297 is an apocalyptic number.

It is an amenable number.

72760297 is a deficient number, since it is larger than the sum of its proper divisors (1).

72760297 is an equidigital number, since it uses as much as digits as its factorization.

72760297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 72760297 is about 8529.9646540886. The cubic root of 72760297 is about 417.4759750479.

The spelling of 72760297 in words is "seventy-two million, seven hundred sixty thousand, two hundred ninety-seven".