474749 has 4 divisors (see below), whose sum is σ = 517920. Its totient is φ = 431580.

The previous prime is 474737. The next prime is 474751. The reversal of 474749 is 947474.

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 474749 - 2¹² = 470653 is a prime.

It is a super-2 number, since 2×474749² = 450773226002, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474709) 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, 21569 + ... + 21590.

It is an arithmetic number, because the mean of its divisors is an integer number (129480).

2⁴⁷⁴⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

474749 is a deficient number, since it is larger than the sum of its proper divisors (43171).

474749 is a wasteful number, since it uses less digits than its factorization.

474749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43170.

The product of its digits is 28224, while the sum is 35.

The square root of 474749 is about 689.0203190037. The cubic root of 474749 is about 78.0107918445.

The spelling of 474749 in words is "four hundred seventy-four thousand, seven hundred forty-nine".