764226 has 12 divisors (see below), whose sum is σ = 1655862. Its totient is φ = 254736.

The previous prime is 764209. The next prime is 764233. The reversal of 764226 is 622467.

It can be written as a sum of positive squares in only one way, i.e., 488601 + 275625 = 699^2 + 525^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 764226.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 764226.

It is an unprimeable number.

764226 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21211 + ... + 21246.

2⁷⁶⁴²²⁶ is an apocalyptic number.

764226 is an abundant number, since it is smaller than the sum of its proper divisors (891636).

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

764226 is a wasteful number, since it uses less digits than its factorization.

764226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42465 (or 42462 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 764226 is about 874.2002059025. The cubic root of 764226 is about 91.4268877573.

It can be divided in two parts, 764 and 226, that added together give a triangular number (990 = T₄₄).

The spelling of 764226 in words is "seven hundred sixty-four thousand, two hundred twenty-six".