764426140 has 24 divisors (see below), whose sum is σ = 1644450192. Its totient is φ = 298312320.

The previous prime is 764426087. The next prime is 764426171. The reversal of 764426140 is 41624467.

764426140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 764426096 and 764426105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465294 + ... + 466933.

It is an arithmetic number, because the mean of its divisors is an integer number (68518758).

Almost surely, 2^764426140 is an apocalyptic number.

It is an amenable number.

764426140 is an abundant number, since it is smaller than the sum of its proper divisors (880024052).

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

764426140 is a wasteful number, since it uses less digits than its factorization.

764426140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932277 (or 932275 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 764426140 is about 27648.2574496115. The cubic root of 764426140 is about 914.3486819774.

The spelling of 764426140 in words is "seven hundred sixty-four million, four hundred twenty-six thousand, one hundred forty".