769644742 has 16 divisors (see below), whose sum is σ = 1217064240. Its totient is φ = 364017888.

The previous prime is 769644727. The next prime is 769644751. The reversal of 769644742 is 247446967.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10768 + ... + 40684.

It is an arithmetic number, because the mean of its divisors is an integer number (76066515).

Almost surely, 2^769644742 is an apocalyptic number.

769644742 is a deficient number, since it is larger than the sum of its proper divisors (447419498).

769644742 is a wasteful number, since it uses less digits than its factorization.

769644742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30615.

The product of its digits is 2032128, while the sum is 49.

The square root of 769644742 is about 27742.4718076814. The cubic root of 769644742 is about 916.4246638884.

The spelling of 769644742 in words is "seven hundred sixty-nine million, six hundred forty-four thousand, seven hundred forty-two".