742244146 has 16 divisors (see below), whose sum is σ = 1278029376. Its totient is φ = 316701936.

The previous prime is 742244143. The next prime is 742244147. The reversal of 742244146 is 641442247.

It is not an unprimeable number, because it can be changed into a prime (742244141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113601 + ... + 119956.

It is an arithmetic number, because the mean of its divisors is an integer number (79876836).

Almost surely, 2^742244146 is an apocalyptic number.

742244146 is a deficient number, since it is larger than the sum of its proper divisors (535785230).

742244146 is a wasteful number, since it uses less digits than its factorization.

742244146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233793.

The product of its digits is 43008, while the sum is 34.

The square root of 742244146 is about 27244.1580159857. The cubic root of 742244146 is about 905.4175889966.

The spelling of 742244146 in words is "seven hundred forty-two million, two hundred forty-four thousand, one hundred forty-six".