47747047 has 8 divisors (see below), whose sum is σ = 48742400. Its totient is φ = 46761624.

The previous prime is 47747017. The next prime is 47747053. The reversal of 47747047 is 74074774.

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

It is a cyclic number.

It is not a de Polignac number, because 47747047 - 2¹⁵ = 47714279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47747017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7654 + ... + 12412.

It is an arithmetic number, because the mean of its divisors is an integer number (6092800).

Almost surely, 2^47747047 is an apocalyptic number.

47747047 is a deficient number, since it is larger than the sum of its proper divisors (995353).

47747047 is a wasteful number, since it uses less digits than its factorization.

47747047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965.

The product of its (nonzero) digits is 153664, while the sum is 40.

The square root of 47747047 is about 6909.9238056581. The cubic root of 47747047 is about 362.7845964828.

It can be divided in two parts, 477 and 47047, that added together give a square (47524 = 218²).

The spelling of 47747047 in words is "forty-seven million, seven hundred forty-seven thousand, forty-seven".