4133731 has 8 divisors (see below), whose sum is σ = 4769280. Its totient is φ = 3509448.

The previous prime is 4133713. The next prime is 4133741. The reversal of 4133731 is 1373314.

4133731 = 18² + 19² + ... + 231².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4133731 - 2⁹ = 4133219 is a prime.

It is a super-2 number, since 2×4133731² = 34175463960722, which contains 22 as substring.

It is a Duffinian number.

4133731 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4133741) 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 7 ways as a sum of consecutive naturals, for example, 2011 + ... + 3508.

It is an arithmetic number, because the mean of its divisors is an integer number (596160).

Almost surely, 2^4133731 is an apocalyptic number.

4133731 is a deficient number, since it is larger than the sum of its proper divisors (635549).

4133731 is a wasteful number, since it uses less digits than its factorization.

4133731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633.

The product of its digits is 756, while the sum is 22.

The square root of 4133731 is about 2033.1578886058. The cubic root of 4133731 is about 160.4897882046.

The spelling of 4133731 in words is "four million, one hundred thirty-three thousand, seven hundred thirty-one".