764276 has 12 divisors (see below), whose sum is σ = 1347108. Its totient is φ = 379392.

The previous prime is 764273. The next prime is 764293. The reversal of 764276 is 672467.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 240100 + 524176 = 490^2 + 724^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 1236.

It is an arithmetic number, because the mean of its divisors is an integer number (112259).

2⁷⁶⁴²⁷⁶ is an apocalyptic number.

It is an amenable number.

764276 is a deficient number, since it is larger than the sum of its proper divisors (582832).

764276 is a wasteful number, since it uses less digits than its factorization.

764276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1376 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 764276 is about 874.2288030030. The cubic root of 764276 is about 91.4288816024.

Subtracting from 764276 its reverse (672467), we obtain a square (91809 = 303²).

The spelling of 764276 in words is "seven hundred sixty-four thousand, two hundred seventy-six".