162722742 has 128 divisors (see below), whose sum is σ = 434294784. Its totient is φ = 39426048.

The previous prime is 162722731. The next prime is 162722743. The reversal of 162722742 is 247227261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162722743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 436068 + ... + 436440.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 2^162722742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162722742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217147392).

162722742 is an abundant number, since it is smaller than the sum of its proper divisors (271572042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162722742 is a wasteful number, since it uses less digits than its factorization.

162722742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its digits is 18816, while the sum is 33.

The square root of 162722742 is about 12756.2824521880. The cubic root of 162722742 is about 545.9456600377.

The spelling of 162722742 in words is "one hundred sixty-two million, seven hundred twenty-two thousand, seven hundred forty-two".