772480709 has 32 divisors (see below), whose sum is σ = 1065259776. Its totient is φ = 540587520.

The previous prime is 772480699. The next prime is 772480733. The reversal of 772480709 is 907084277.

772480709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 772480709 - 2⁴ = 772480693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 772480709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772480789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26609 + ... + 47465.

It is an arithmetic number, because the mean of its divisors is an integer number (33289368).

Almost surely, 2^772480709 is an apocalyptic number.

It is an amenable number.

772480709 is a deficient number, since it is larger than the sum of its proper divisors (292779067).

772480709 is a wasteful number, since it uses less digits than its factorization.

772480709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20925.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 772480709 is about 27793.5371804310. The cubic root of 772480709 is about 917.5488901279.

The spelling of 772480709 in words is "seven hundred seventy-two million, four hundred eighty thousand, seven hundred nine".