72994301 has 2 divisors, whose sum is σ = 72994302. Its totient is φ = 72994300.

The previous prime is 72994291. The next prime is 72994307. The reversal of 72994301 is 10349927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68873401 + 4120900 = 8299^2 + 2030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72994301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72994307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36497150 + 36497151.

It is an arithmetic number, because the mean of its divisors is an integer number (36497151).

Almost surely, 2^72994301 is an apocalyptic number.

It is an amenable number.

72994301 is a deficient number, since it is larger than the sum of its proper divisors (1).

72994301 is an equidigital number, since it uses as much as digits as its factorization.

72994301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 72994301 is about 8543.6702300592. The cubic root of 72994301 is about 417.9230435313.

The spelling of 72994301 in words is "seventy-two million, nine hundred ninety-four thousand, three hundred one".