474367681 has 4 divisors (see below), whose sum is σ = 474812500. Its totient is φ = 473922864.

The previous prime is 474367679. The next prime is 474367693. The reversal of 474367681 is 186763474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 334158400 + 140209281 = 18280^2 + 11841^2 .

It is a cyclic number.

It is not a de Polignac number, because 474367681 - 2¹ = 474367679 is a prime.

It is a super-3 number, since 3×474367681³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474367601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220806 + ... + 222943.

It is an arithmetic number, because the mean of its divisors is an integer number (118703125).

Almost surely, 2^474367681 is an apocalyptic number.

It is an amenable number.

474367681 is a deficient number, since it is larger than the sum of its proper divisors (444819).

474367681 is a wasteful number, since it uses less digits than its factorization.

474367681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444818.

The product of its digits is 677376, while the sum is 46.

The square root of 474367681 is about 21779.9834940250. The cubic root of 474367681 is about 779.8990012773.

The spelling of 474367681 in words is "four hundred seventy-four million, three hundred sixty-seven thousand, six hundred eighty-one".