3157743 has 8 divisors (see below), whose sum is σ = 4432000. Its totient is φ = 1994328.

The previous prime is 3157711. The next prime is 3157751. The reversal of 3157743 is 3477513.

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

It is not a de Polignac number, because 3157743 - 2⁵ = 3157711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3157743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157703) 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, 27643 + ... + 27756.

It is an arithmetic number, because the mean of its divisors is an integer number (554000).

Almost surely, 2^3157743 is an apocalyptic number.

3157743 is a deficient number, since it is larger than the sum of its proper divisors (1274257).

3157743 is a wasteful number, since it uses less digits than its factorization.

3157743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55421.

The product of its digits is 8820, while the sum is 30.

The square root of 3157743 is about 1777.0039392190. The cubic root of 3157743 is about 146.7097331059.

The spelling of 3157743 in words is "three million, one hundred fifty-seven thousand, seven hundred forty-three".