764277340 has 24 divisors (see below), whose sum is σ = 1639132992. Its totient is φ = 299206080.

The previous prime is 764277329. The next prime is 764277359. The reversal of 764277340 is 43772467.

It is a junction number, because it is equal to n+sod(n) for n = 764277293 and 764277302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405591 + ... + 407470.

It is an arithmetic number, because the mean of its divisors is an integer number (68297208).

Almost surely, 2^764277340 is an apocalyptic number.

It is an amenable number.

764277340 is an abundant number, since it is smaller than the sum of its proper divisors (874855652).

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

764277340 is a wasteful number, since it uses less digits than its factorization.

764277340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813117 (or 813115 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 40.

The square root of 764277340 is about 27645.5663714817. The cubic root of 764277340 is about 914.2893503622.

The spelling of 764277340 in words is "seven hundred sixty-four million, two hundred seventy-seven thousand, three hundred forty".