764573742 has 112 divisors (see below), whose sum is σ = 1843847280. Its totient is φ = 236825856.

The previous prime is 764573717. The next prime is 764573753. The reversal of 764573742 is 247375467.

764573742 is a `hidden beast` number, since 7 + 6 + 4 + 573 + 74 + 2 = 666.

764573742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2701533 + ... + 2701815.

Almost surely, 2^764573742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764573742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (921923640).

764573742 is an abundant number, since it is smaller than the sum of its proper divisors (1079273538).

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

764573742 is a wasteful number, since it uses less digits than its factorization.

764573742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 414 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The square root of 764573742 is about 27650.9266029188. The cubic root of 764573742 is about 914.4075283031.

The spelling of 764573742 in words is "seven hundred sixty-four million, five hundred seventy-three thousand, seven hundred forty-two".