804771272 has 16 divisors (see below), whose sum is σ = 1529617740. Its totient is φ = 396873216.

The previous prime is 804771263. The next prime is 804771281. The reversal of 804771272 is 272177408.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (804771263) and next prime (804771281).

It can be written as a sum of positive squares in 2 ways, for example, as 780308356 + 24462916 = 27934^2 + 4946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688433 + ... + 689600.

Almost surely, 2^804771272 is an apocalyptic number.

It is an amenable number.

804771272 is a deficient number, since it is larger than the sum of its proper divisors (724846468).

804771272 is a wasteful number, since it uses less digits than its factorization.

804771272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378112 (or 1378108 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 804771272 is about 28368.4908304971. The cubic root of 804771272 is about 930.1596334446.

The spelling of 804771272 in words is "eight hundred four million, seven hundred seventy-one thousand, two hundred seventy-two".