764790 has 64 divisors (see below), whose sum is σ = 2068416. Its totient is φ = 179712.

The previous prime is 764789. The next prime is 764809. The reversal of 764790 is 97467.

It is a Curzon number.

It is a congruent number.

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, 14404 + ... + 14456.

It is an arithmetic number, because the mean of its divisors is an integer number (32319).

2⁷⁶⁴⁷⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034208).

764790 is an abundant number, since it is smaller than the sum of its proper divisors (1303626).

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

764790 is a wasteful number, since it uses less digits than its factorization.

764790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 764790 is about 874.5227269774. The cubic root of 764790 is about 91.4493732895.

The spelling of 764790 in words is "seven hundred sixty-four thousand, seven hundred ninety".