47747870 has 16 divisors (see below), whose sum is σ = 86032800. Its totient is φ = 19079904.

The previous prime is 47747867. The next prime is 47747873. The reversal of 47747870 is 7874774.

47747870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47747867) and next prime (47747873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47747873) 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 7 ways as a sum of consecutive naturals, for example, 12284 + ... + 15696.

It is an arithmetic number, because the mean of its divisors is an integer number (5377050).

Almost surely, 2^47747870 is an apocalyptic number.

47747870 is a deficient number, since it is larger than the sum of its proper divisors (38284930).

47747870 is a wasteful number, since it uses less digits than its factorization.

47747870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819.

The product of its (nonzero) digits is 307328, while the sum is 44.

The square root of 47747870 is about 6909.9833574329. The cubic root of 47747870 is about 362.7866808701.

The spelling of 47747870 in words is "forty-seven million, seven hundred forty-seven thousand, eight hundred seventy".