770631044 has 6 divisors (see below), whose sum is σ = 1348604334. Its totient is φ = 385315520.

The previous prime is 770631041. The next prime is 770631053. The reversal of 770631044 is 440136077.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 418693444 + 351937600 = 20462^2 + 18760^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 770631044.

It is not an unprimeable number, because it can be changed into a prime (770631041) 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 as a sum of consecutive naturals, namely, 96328877 + ... + 96328884.

It is an arithmetic number, because the mean of its divisors is an integer number (224767389).

Almost surely, 2^770631044 is an apocalyptic number.

It is an amenable number.

770631044 is a deficient number, since it is larger than the sum of its proper divisors (577973290).

770631044 is a wasteful number, since it uses less digits than its factorization.

770631044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192657765 (or 192657763 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 770631044 is about 27760.2421459180. The cubic root of 770631044 is about 916.8159637525.

The spelling of 770631044 in words is "seven hundred seventy million, six hundred thirty-one thousand, forty-four".