4561731 has 16 divisors (see below), whose sum is σ = 6825600. Its totient is φ = 3010824.

The previous prime is 4561727. The next prime is 4561747. The reversal of 4561731 is 1371654.

4561731 is a `hidden beast` number, since 45 + 617 + 3 + 1 = 666.

It is not a de Polignac number, because 4561731 - 2² = 4561727 is a prime.

It is a super-2 number, since 2×4561731² = 41618779432722, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 4561695 and 4561704.

It is not an unprimeable number, because it can be changed into a prime (4561331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2100 + ... + 3678.

It is an arithmetic number, because the mean of its divisors is an integer number (426600).

Almost surely, 2^4561731 is an apocalyptic number.

4561731 is a deficient number, since it is larger than the sum of its proper divisors (2263869).

4561731 is a wasteful number, since it uses less digits than its factorization.

4561731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695 (or 1689 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 4561731 is about 2135.8209194593. The cubic root of 4561731 is about 165.8478671022.

It can be divided in two parts, 456 and 1731, that added together give a 7-th power (2187 = 3⁷).

The spelling of 4561731 in words is "four million, five hundred sixty-one thousand, seven hundred thirty-one".