47971622 has 8 divisors (see below), whose sum is σ = 72244872. Its totient is φ = 23890000.

The previous prime is 47971619. The next prime is 47971633. The reversal of 47971622 is 22617974.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47279 + ... + 48282.

It is an arithmetic number, because the mean of its divisors is an integer number (9030609).

Almost surely, 2^47971622 is an apocalyptic number.

47971622 is a deficient number, since it is larger than the sum of its proper divisors (24273250).

47971622 is a wasteful number, since it uses less digits than its factorization.

47971622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95814.

The product of its digits is 42336, while the sum is 38.

The square root of 47971622 is about 6926.1549217441. The cubic root of 47971622 is about 363.3524846586.

The spelling of 47971622 in words is "forty-seven million, nine hundred seventy-one thousand, six hundred twenty-two".