773120739 has 4 divisors (see below), whose sum is σ = 1030827656. Its totient is φ = 515413824.

The previous prime is 773120701. The next prime is 773120741. The reversal of 773120739 is 937021377.

773120739 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.

It is not a de Polignac number, because 773120739 - 2¹⁷ = 772989667 is a prime.

It is a super-2 number, since 2×773120739² = 1195431354143812242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 773120697 and 773120706.

It is not an unprimeable number, because it can be changed into a prime (773120239) 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, 128853454 + ... + 128853459.

It is an arithmetic number, because the mean of its divisors is an integer number (257706914).

Almost surely, 2^773120739 is an apocalyptic number.

773120739 is a deficient number, since it is larger than the sum of its proper divisors (257706917).

773120739 is a wasteful number, since it uses less digits than its factorization.

773120739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257706916.

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 773120739 is about 27805.0488041291. The cubic root of 773120739 is about 917.8022283645.

The spelling of 773120739 in words is "seven hundred seventy-three million, one hundred twenty thousand, seven hundred thirty-nine".