770331745 has 16 divisors (see below), whose sum is σ = 938266560. Its totient is φ = 607089600.

The previous prime is 770331743. The next prime is 770331769. The reversal of 770331745 is 547133077.

770331745 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 770331745 - 2¹ = 770331743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (770331743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86815 + ... + 95275.

It is an arithmetic number, because the mean of its divisors is an integer number (58641660).

Almost surely, 2^770331745 is an apocalyptic number.

It is an amenable number.

770331745 is a deficient number, since it is larger than the sum of its proper divisors (167934815).

770331745 is a wasteful number, since it uses less digits than its factorization.

770331745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 770331745 is about 27754.8508372861. The cubic root of 770331745 is about 916.6972568671.

The spelling of 770331745 in words is "seven hundred seventy million, three hundred thirty-one thousand, seven hundred forty-five".