162742743 has 16 divisors (see below), whose sum is σ = 242162400. Its totient is φ = 108017280.

The previous prime is 162742739. The next prime is 162742759. The reversal of 162742743 is 347247261.

162742743 is a `hidden beast` number, since 1 + 627 + 4 + 27 + 4 + 3 = 666.

It is not a de Polignac number, because 162742743 - 2² = 162742739 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 162742698 and 162742707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162742703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6978 + ... + 19343.

It is an arithmetic number, because the mean of its divisors is an integer number (15135150).

Almost surely, 2^162742743 is an apocalyptic number.

162742743 is a deficient number, since it is larger than the sum of its proper divisors (79419657).

162742743 is a wasteful number, since it uses less digits than its factorization.

162742743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26559 (or 26553 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 162742743 is about 12757.0663947477. The cubic root of 162742743 is about 545.9680273513.

The spelling of 162742743 in words is "one hundred sixty-two million, seven hundred forty-two thousand, seven hundred forty-three".