47971522 has 8 divisors (see below), whose sum is σ = 71999676. Its totient is φ = 23971632.

The previous prime is 47971493. The next prime is 47971549. The reversal of 47971522 is 22517974.

It can be written as a sum of positive squares in 2 ways, for example, as 39450961 + 8520561 = 6281^2 + 2919^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2133 + ... + 10024.

Almost surely, 2^47971522 is an apocalyptic number.

47971522 is a deficient number, since it is larger than the sum of its proper divisors (24028154).

47971522 is a wasteful number, since it uses less digits than its factorization.

47971522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14132.

The product of its digits is 35280, while the sum is 37.

The square root of 47971522 is about 6926.1477027277. The cubic root of 47971522 is about 363.3522321810.

The spelling of 47971522 in words is "forty-seven million, nine hundred seventy-one thousand, five hundred twenty-two".