47520717 has 8 divisors (see below), whose sum is σ = 63395040. Its totient is φ = 31663440.

The previous prime is 47520679. The next prime is 47520731. The reversal of 47520717 is 71702574.

It is a happy number.

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

It is not a de Polignac number, because 47520717 - 2¹⁴ = 47504333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47560717) 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, 5334 + ... + 11112.

It is an arithmetic number, because the mean of its divisors is an integer number (7924380).

Almost surely, 2^47520717 is an apocalyptic number.

It is an amenable number.

47520717 is a deficient number, since it is larger than the sum of its proper divisors (15874323).

47520717 is a wasteful number, since it uses less digits than its factorization.

47520717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8523.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 47520717 is about 6893.5271813492. The cubic root of 47520717 is about 362.2104659131.

The spelling of 47520717 in words is "forty-seven million, five hundred twenty thousand, seven hundred seventeen".