790402729 has 4 divisors (see below), whose sum is σ = 793478484. Its totient is φ = 787326976.

The previous prime is 790402721. The next prime is 790402733. The reversal of 790402729 is 927204097.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 622752025 + 167650704 = 24955^2 + 12948^2 .

It is a cyclic number.

It is not a de Polignac number, because 790402729 - 2³ = 790402721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 790402691 and 790402700.

It is not an unprimeable number, because it can be changed into a prime (790402721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537492 + ... + 1538005.

It is an arithmetic number, because the mean of its divisors is an integer number (198369621).

Almost surely, 2^790402729 is an apocalyptic number.

It is an amenable number.

790402729 is a deficient number, since it is larger than the sum of its proper divisors (3075755).

790402729 is a wasteful number, since it uses less digits than its factorization.

790402729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075754.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 790402729 is about 28114.1019596928. The cubic root of 790402729 is about 924.5906068550.

The spelling of 790402729 in words is "seven hundred ninety million, four hundred two thousand, seven hundred twenty-nine".