770764032 has 144 divisors (see below), whose sum is σ = 2399656000. Its totient is φ = 243357696.

The previous prime is 770764021. The next prime is 770764069. The reversal of 770764032 is 230467077.

770764032 is a `hidden beast` number, since 7 + 7 + 0 + 7 + 640 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 128394 + ... + 134262.

Almost surely, 2^770764032 is an apocalyptic number.

770764032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770764032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199828000).

770764032 is an abundant number, since it is smaller than the sum of its proper divisors (1628891968).

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

770764032 is a wasteful number, since it uses less digits than its factorization.

770764032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913 (or 5893 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 770764032 is about 27762.6373386968. The cubic root of 770764032 is about 916.8686991090.

The spelling of 770764032 in words is "seven hundred seventy million, seven hundred sixty-four thousand, thirty-two".