770443742 has 16 divisors (see below), whose sum is σ = 1210933152. Its totient is φ = 366938880.

The previous prime is 770443741. The next prime is 770443781. The reversal of 770443742 is 247344077.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 770443696 and 770443705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770443741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23663 + ... + 45834.

It is an arithmetic number, because the mean of its divisors is an integer number (75683322).

Almost surely, 2^770443742 is an apocalyptic number.

770443742 is a deficient number, since it is larger than the sum of its proper divisors (440489410).

770443742 is a wasteful number, since it uses less digits than its factorization.

770443742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69763.

The product of its (nonzero) digits is 131712, while the sum is 38.

The square root of 770443742 is about 27756.8683752328. The cubic root of 770443742 is about 916.7416803112.

The spelling of 770443742 in words is "seven hundred seventy million, four hundred forty-three thousand, seven hundred forty-two".