790241721 has 4 divisors (see below), whose sum is σ = 1053655632. Its totient is φ = 526827812.

The previous prime is 790241629. The next prime is 790241729. The reversal of 790241721 is 127142097.

790241721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 790241721 - 2¹⁰ = 790240697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (790241729) 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, 131706951 + ... + 131706956.

It is an arithmetic number, because the mean of its divisors is an integer number (263413908).

Almost surely, 2^790241721 is an apocalyptic number.

It is an amenable number.

790241721 is a deficient number, since it is larger than the sum of its proper divisors (263413911).

790241721 is a wasteful number, since it uses less digits than its factorization.

790241721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263413910.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 790241721 is about 28111.2383398526. The cubic root of 790241721 is about 924.5278217337.

The spelling of 790241721 in words is "seven hundred ninety million, two hundred forty-one thousand, seven hundred twenty-one".