764144 has 20 divisors (see below), whose sum is σ = 1494696. Its totient is φ = 378432.

The previous prime is 764143. The next prime is 764149. The reversal of 764144 is 441467.

764144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462 + ... + 2754.

2⁷⁶⁴¹⁴⁴ is an apocalyptic number.

It is an amenable number.

764144 is a deficient number, since it is larger than the sum of its proper divisors (730552).

764144 is a wasteful number, since it uses less digits than its factorization.

764144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 764144 is about 874.1533046325. The cubic root of 764144 is about 91.4236176631.

The spelling of 764144 in words is "seven hundred sixty-four thousand, one hundred forty-four".