162000742 has 4 divisors (see below), whose sum is σ = 243001116. Its totient is φ = 81000370.

The previous prime is 162000733. The next prime is 162000743. The reversal of 162000742 is 247000261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247000261 = 3023 ⋅81707.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162000743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40500184 + ... + 40500187.

It is an arithmetic number, because the mean of its divisors is an integer number (60750279).

Almost surely, 2^162000742 is an apocalyptic number.

162000742 is a deficient number, since it is larger than the sum of its proper divisors (81000374).

162000742 is an equidigital number, since it uses as much as digits as its factorization.

162000742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81000373.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 162000742 is about 12727.9512098373. The cubic root of 162000742 is about 545.1370101345.

The spelling of 162000742 in words is "one hundred sixty-two million, seven hundred forty-two", and thus it is an aban number.