92720401 has 2 divisors, whose sum is σ = 92720402. Its totient is φ = 92720400.

The previous prime is 92720347. The next prime is 92720443. The reversal of 92720401 is 10402729.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54774801 + 37945600 = 7401^2 + 6160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92720401 is a prime.

It is not a weakly prime, because it can be changed into another prime (92720461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46360200 + 46360201.

It is an arithmetic number, because the mean of its divisors is an integer number (46360201).

Almost surely, 2^92720401 is an apocalyptic number.

It is an amenable number.

92720401 is a deficient number, since it is larger than the sum of its proper divisors (1).

92720401 is an equidigital number, since it uses as much as digits as its factorization.

92720401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 92720401 is about 9629.1433159965. The cubic root of 92720401 is about 452.6109956337.

The spelling of 92720401 in words is "ninety-two million, seven hundred twenty thousand, four hundred one".