47837642 has 16 divisors (see below), whose sum is σ = 72657000. Its totient is φ = 23620800.

The previous prime is 47837591. The next prime is 47837653. The reversal of 47837642 is 24673874.

It can be written as a sum of positive squares in 4 ways, for example, as 46799281 + 1038361 = 6841^2 + 1019^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47837642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67892 + ... + 68592.

Almost surely, 2^47837642 is an apocalyptic number.

47837642 is a deficient number, since it is larger than the sum of its proper divisors (24819358).

47837642 is a wasteful number, since it uses less digits than its factorization.

47837642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081.

The product of its digits is 225792, while the sum is 41.

The square root of 47837642 is about 6916.4761258895. The cubic root of 47837642 is about 363.0139000564.

The spelling of 47837642 in words is "forty-seven million, eight hundred thirty-seven thousand, six hundred forty-two".