47801642 has 8 divisors (see below), whose sum is σ = 81945696. Its totient is φ = 20486412.

The previous prime is 47801639. The next prime is 47801647. The reversal of 47801642 is 24610874.

47801642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 47801599 and 47801608.

It is not an unprimeable number, because it can be changed into a prime (47801647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707188 + ... + 1707215.

It is an arithmetic number, because the mean of its divisors is an integer number (10243212).

Almost surely, 2^47801642 is an apocalyptic number.

47801642 is a deficient number, since it is larger than the sum of its proper divisors (34144054).

47801642 is a wasteful number, since it uses less digits than its factorization.

47801642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414412.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 47801642 is about 6913.8731547520. The cubic root of 47801642 is about 362.9228157175.

The spelling of 47801642 in words is "forty-seven million, eight hundred one thousand, six hundred forty-two".