470745 has 32 divisors (see below), whose sum is σ = 915840. Its totient is φ = 227520.

The previous prime is 470731. The next prime is 470749. The reversal of 470745 is 547074.

It is not a de Polignac number, because 470745 - 2⁸ = 470489 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

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

It is a Curzon number.

470745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (470749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1327 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (28620).

2⁴⁷⁰⁷⁴⁵ is an apocalyptic number.

470745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

470745 is a deficient number, since it is larger than the sum of its proper divisors (445095).

470745 is a wasteful number, since it uses less digits than its factorization.

470745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 470745 is about 686.1085919882. The cubic root of 470745 is about 77.7908598554.

The spelling of 470745 in words is "four hundred seventy thousand, seven hundred forty-five".