905273872 has 20 divisors (see below), whose sum is σ = 1756642156. Its totient is φ = 451946880.

The previous prime is 905273861. The next prime is 905273893. The reversal of 905273872 is 278372509.

It can be written as a sum of positive squares in 2 ways, for example, as 297355536 + 607918336 = 17244^2 + 24656^2 .

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, 32223 + ... + 53374.

Almost surely, 2^905273872 is an apocalyptic number.

It is an amenable number.

905273872 is a deficient number, since it is larger than the sum of its proper divisors (851368284).

905273872 is a wasteful number, since it uses less digits than its factorization.

905273872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86266 (or 86260 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 905273872 is about 30087.7694753200. The cubic root of 905273872 is about 967.3715897210.

The spelling of 905273872 in words is "nine hundred five million, two hundred seventy-three thousand, eight hundred seventy-two".