790274021 has 2 divisors, whose sum is σ = 790274022. Its totient is φ = 790274020.

The previous prime is 790273993. The next prime is 790274047. The reversal of 790274021 is 120472097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496665796 + 293608225 = 22286^2 + 17135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-790274021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (790274921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395137010 + 395137011.

It is an arithmetic number, because the mean of its divisors is an integer number (395137011).

Almost surely, 2^790274021 is an apocalyptic number.

It is an amenable number.

790274021 is a deficient number, since it is larger than the sum of its proper divisors (1).

790274021 is an equidigital number, since it uses as much as digits as its factorization.

790274021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 790274021 is about 28111.8128373109. The cubic root of 790274021 is about 924.5404178128.

The spelling of 790274021 in words is "seven hundred ninety million, two hundred seventy-four thousand, twenty-one".