770764040 has 64 divisors (see below), whose sum is σ = 1813829760. Its totient is φ = 294215680.

The previous prime is 770764021. The next prime is 770764069. The reversal of 770764040 is 40467077.

770764040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589067 + ... + 590373.

It is an arithmetic number, because the mean of its divisors is an integer number (28341090).

Almost surely, 2^770764040 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 770764040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906914880).

770764040 is an abundant number, since it is smaller than the sum of its proper divisors (1043065720).

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

770764040 is a wasteful number, since it uses less digits than its factorization.

770764040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 770764040 is about 27762.6374827753. The cubic root of 770764040 is about 916.8687022812.

The spelling of 770764040 in words is "seven hundred seventy million, seven hundred sixty-four thousand, forty".