162742742 has 4 divisors (see below), whose sum is σ = 244114116. Its totient is φ = 81371370.

The previous prime is 162742739. The next prime is 162742759. The reversal of 162742742 is 247247261.

162742742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247247261 = 41 ⋅6030421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40685684 + ... + 40685687.

It is an arithmetic number, because the mean of its divisors is an integer number (61028529).

Almost surely, 2^162742742 is an apocalyptic number.

162742742 is a deficient number, since it is larger than the sum of its proper divisors (81371374).

162742742 is an equidigital number, since it uses as much as digits as its factorization.

162742742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81371373.

The product of its digits is 37632, while the sum is 35.

The square root of 162742742 is about 12757.0663555537. The cubic root of 162742742 is about 545.9680262330.

The spelling of 162742742 in words is "one hundred sixty-two million, seven hundred forty-two thousand, seven hundred forty-two".