742728112 has 20 divisors (see below), whose sum is σ = 1644612496. Its totient is φ = 318312000.

The previous prime is 742728109. The next prime is 742728149. The reversal of 742728112 is 211827247.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3315639 + ... + 3315862.

Almost surely, 2^742728112 is an apocalyptic number.

It is an amenable number.

742728112 is an abundant number, since it is smaller than the sum of its proper divisors (901884384).

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

742728112 is a wasteful number, since it uses less digits than its factorization.

742728112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631516 (or 6631510 counting only the distinct ones).

The product of its digits is 12544, while the sum is 34.

The square root of 742728112 is about 27253.0385828810. The cubic root of 742728112 is about 905.6143329421.

The spelling of 742728112 in words is "seven hundred forty-two million, seven hundred twenty-eight thousand, one hundred twelve".