764286090 has 64 divisors (see below), whose sum is σ = 1975836672. Its totient is φ = 188654400.

The previous prime is 764286041. The next prime is 764286101. The reversal of 764286090 is 90682467.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3525 + ... + 39255.

It is an arithmetic number, because the mean of its divisors is an integer number (30872448).

Almost surely, 2^764286090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764286090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987918336).

764286090 is an abundant number, since it is smaller than the sum of its proper divisors (1211550582).

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

764286090 is a wasteful number, since it uses less digits than its factorization.

764286090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35795.

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

The square root of 764286090 is about 27645.7246242525. The cubic root of 764286090 is about 914.2928394976.

The spelling of 764286090 in words is "seven hundred sixty-four million, two hundred eighty-six thousand, ninety".