7742328842 has 8 divisors (see below), whose sum is σ = 11622946500. Its totient is φ = 3868013344.

The previous prime is 7742328787. The next prime is 7742328871. The reversal of 7742328842 is 2488232477.

It can be written as a sum of positive squares in 2 ways, for example, as 4974621961 + 2767706881 = 70531^2 + 52609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572467 + ... + 1577382.

Almost surely, 2^7742328842 is an apocalyptic number.

7742328842 is a deficient number, since it is larger than the sum of its proper divisors (3880617658).

7742328842 is a wasteful number, since it uses less digits than its factorization.

7742328842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151080.

The product of its digits is 1204224, while the sum is 47.

The square root of 7742328842 is about 87990.5042717679. The cubic root of 7742328842 is about 1978.2926513998.

The spelling of 7742328842 in words is "seven billion, seven hundred forty-two million, three hundred twenty-eight thousand, eight hundred forty-two".