764941380 has 48 divisors (see below), whose sum is σ = 2447813760. Its totient is φ = 174843648.

The previous prime is 764941379. The next prime is 764941393. The reversal of 764941380 is 83149467.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910225 + ... + 911064.

It is an arithmetic number, because the mean of its divisors is an integer number (50996120).

Almost surely, 2^764941380 is an apocalyptic number.

764941380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

764941380 is an abundant number, since it is smaller than the sum of its proper divisors (1682872380).

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

764941380 is a wasteful number, since it uses less digits than its factorization.

764941380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821308 (or 1821306 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 764941380 is about 27657.5736462908. The cubic root of 764941380 is about 914.5540662014.

The spelling of 764941380 in words is "seven hundred sixty-four million, nine hundred forty-one thousand, three hundred eighty".