474781 has 4 divisors (see below), whose sum is σ = 477792. Its totient is φ = 471772.

The previous prime is 474779. The next prime is 474787. The reversal of 474781 is 187474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 474781 - 2¹ = 474779 is a prime.

It is a super-2 number, since 2×474781² = 450833995922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

474781 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255 + ... + 1588.

It is an arithmetic number, because the mean of its divisors is an integer number (119448).

2⁴⁷⁴⁷⁸¹ is an apocalyptic number.

It is an amenable number.

474781 is a deficient number, since it is larger than the sum of its proper divisors (3011).

474781 is a wasteful number, since it uses less digits than its factorization.

474781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010.

The product of its digits is 6272, while the sum is 31.

The square root of 474781 is about 689.0435399886. The cubic root of 474781 is about 78.0125445526.

The spelling of 474781 in words is "four hundred seventy-four thousand, seven hundred eighty-one".