812272 has 10 divisors (see below), whose sum is σ = 1573808. Its totient is φ = 406128.

The previous prime is 812267. The next prime is 812281. The reversal of 812272 is 272218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25368 + ... + 25399.

2⁸¹²²⁷² is an apocalyptic number.

It is an amenable number.

812272 is a deficient number, since it is larger than the sum of its proper divisors (761536).

812272 is a wasteful number, since it uses less digits than its factorization.

812272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50775 (or 50769 counting only the distinct ones).

The product of its digits is 448, while the sum is 22.

The square root of 812272 is about 901.2613383475. The cubic root of 812272 is about 93.3040497701.

The spelling of 812272 in words is "eight hundred twelve thousand, two hundred seventy-two".