7437747242 has 8 divisors (see below), whose sum is σ = 11198096100. Its totient is φ = 3705048544.

The previous prime is 7437747241. The next prime is 7437747259. The reversal of 7437747242 is 2427477347.

It can be written as a sum of positive squares in 2 ways, for example, as 5999896681 + 1437850561 = 77459^2 + 37919^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7437747241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6911867 + ... + 6912942.

Almost surely, 2^7437747242 is an apocalyptic number.

7437747242 is a deficient number, since it is larger than the sum of its proper divisors (3760348858).

7437747242 is a wasteful number, since it uses less digits than its factorization.

7437747242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13825080.

The product of its digits is 1843968, while the sum is 47.

The square root of 7437747242 is about 86242.3749788931. The cubic root of 7437747242 is about 1952.0029598643.

The spelling of 7437747242 in words is "seven billion, four hundred thirty-seven million, seven hundred forty-seven thousand, two hundred forty-two".