770388032 has 56 divisors (see below), whose sum is σ = 1592028312. Its totient is φ = 369561600.

The previous prime is 770388029. The next prime is 770388067. The reversal of 770388032 is 230883077.

It can be written as a sum of positive squares in 4 ways, for example, as 2876416 + 767511616 = 1696^2 + 27704^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157658 + ... + 162470.

It is an arithmetic number, because the mean of its divisors is an integer number (28429077).

Almost surely, 2^770388032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770388032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796014156).

770388032 is an abundant number, since it is smaller than the sum of its proper divisors (821640280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770388032 is a wasteful number, since it uses less digits than its factorization.

770388032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927 (or 4917 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 770388032 is about 27755.8648216913. The cubic root of 770388032 is about 916.7195835604.

The spelling of 770388032 in words is "seven hundred seventy million, three hundred eighty-eight thousand, thirty-two".