790474781 has 2 divisors, whose sum is σ = 790474782. Its totient is φ = 790474780.

The previous prime is 790474759. The next prime is 790474801. The reversal of 790474781 is 187474097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526932025 + 263542756 = 22955^2 + 16234^2 .

It is a cyclic number.

It is not a de Polignac number, because 790474781 - 2¹⁴ = 790458397 is a prime.

It is a super-2 number, since 2×790474781² = 1249700758793995922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (790474981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395237390 + 395237391.

It is an arithmetic number, because the mean of its divisors is an integer number (395237391).

Almost surely, 2^790474781 is an apocalyptic number.

It is an amenable number.

790474781 is a deficient number, since it is larger than the sum of its proper divisors (1).

790474781 is an equidigital number, since it uses as much as digits as its factorization.

790474781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 790474781 is about 28115.3833514679. The cubic root of 790474781 is about 924.6187007941.

The spelling of 790474781 in words is "seven hundred ninety million, four hundred seventy-four thousand, seven hundred eighty-one".