4013743 has 4 divisors (see below), whose sum is σ = 4089528. Its totient is φ = 3937960.

The previous prime is 4013729. The next prime is 4013761. The reversal of 4013743 is 3473104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4013743 - 2²¹ = 1916591 is a prime.

It is a super-2 number, since 2×4013743² = 32220265740098, which contains 22 as substring.

It is a Duffinian number.

4013743 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013783) 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, 37813 + ... + 37918.

It is an arithmetic number, because the mean of its divisors is an integer number (1022382).

Almost surely, 2^4013743 is an apocalyptic number.

4013743 is a deficient number, since it is larger than the sum of its proper divisors (75785).

4013743 is an equidigital number, since it uses as much as digits as its factorization.

4013743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75784.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 4013743 is about 2003.4328039642. The cubic root of 4013743 is about 158.9216944957.

Adding to 4013743 its reverse (3473104), we get a palindrome (7486847).

The spelling of 4013743 in words is "four million, thirteen thousand, seven hundred forty-three".