472840281 has 8 divisors (see below), whose sum is σ = 700504160. Its totient is φ = 315226836.

The previous prime is 472840271. The next prime is 472840301. The reversal of 472840281 is 182048274.

It is not a de Polignac number, because 472840281 - 2⁹ = 472839769 is a prime.

It is a super-2 number, since 2×472840281² = 447155862672317922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (472840271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8756275 + ... + 8756328.

It is an arithmetic number, because the mean of its divisors is an integer number (87563020).

Almost surely, 2^472840281 is an apocalyptic number.

It is an amenable number.

472840281 is a deficient number, since it is larger than the sum of its proper divisors (227663879).

472840281 is a wasteful number, since it uses less digits than its factorization.

472840281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17512612 (or 17512606 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 472840281 is about 21744.8909171787. The cubic root of 472840281 is about 779.0610447059.

The spelling of 472840281 in words is "four hundred seventy-two million, eight hundred forty thousand, two hundred eighty-one".