806172272 has 10 divisors (see below), whose sum is σ = 1561958808. Its totient is φ = 403086128.

The previous prime is 806172259. The next prime is 806172281. The reversal of 806172272 is 272271608.

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, 25192868 + ... + 25192899.

Almost surely, 2^806172272 is an apocalyptic number.

It is an amenable number.

806172272 is a deficient number, since it is larger than the sum of its proper divisors (755786536).

806172272 is a wasteful number, since it uses less digits than its factorization.

806172272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50385775 (or 50385769 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 806172272 is about 28393.1729822505. The cubic root of 806172272 is about 930.6990820294.

The spelling of 806172272 in words is "eight hundred six million, one hundred seventy-two thousand, two hundred seventy-two".