4731645 has 16 divisors (see below), whose sum is σ = 7601472. Its totient is φ = 2513280.

The previous prime is 4731637. The next prime is 4731659. The reversal of 4731645 is 5461374.

It is not a de Polignac number, because 4731645 - 2³ = 4731637 is a prime.

It is a super-3 number, since 3×4731645³ (a number of 21 digits) contains 333 as substring.

4731645 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4489 + ... + 5441.

It is an arithmetic number, because the mean of its divisors is an integer number (475092).

Almost surely, 2^4731645 is an apocalyptic number.

It is an amenable number.

4731645 is a deficient number, since it is larger than the sum of its proper divisors (2869827).

4731645 is a wasteful number, since it uses less digits than its factorization.

4731645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292.

The product of its digits is 10080, while the sum is 30.

The square root of 4731645 is about 2175.2344701204. The cubic root of 4731645 is about 167.8819678302.

The spelling of 4731645 in words is "four million, seven hundred thirty-one thousand, six hundred forty-five".