47522071 has 4 divisors (see below), whose sum is σ = 49588272. Its totient is φ = 45455872.

The previous prime is 47522047. The next prime is 47522087. The reversal of 47522071 is 17022574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17022574 = 2 ⋅8511287.

It is a cyclic number.

It is not a de Polignac number, because 47522071 - 2¹¹ = 47520023 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 (47522011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033066 + ... + 1033111.

It is an arithmetic number, because the mean of its divisors is an integer number (12397068).

Almost surely, 2^47522071 is an apocalyptic number.

47522071 is a deficient number, since it is larger than the sum of its proper divisors (2066201).

47522071 is a wasteful number, since it uses less digits than its factorization.

47522071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066200.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 47522071 is about 6893.6253887196. The cubic root of 47522071 is about 362.2139060149.

The spelling of 47522071 in words is "forty-seven million, five hundred twenty-two thousand, seventy-one".