47829971 has 8 divisors (see below), whose sum is σ = 54710784. Its totient is φ = 40961160.

The previous prime is 47829953. The next prime is 47829989. The reversal of 47829971 is 17992874.

It is an interprime number because it is at equal distance from previous prime (47829953) and next prime (47829989).

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 47829971 - 2¹⁴ = 47813587 is a prime.

It is a super-2 number, since 2×47829971² = 4575412251721682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47829941) 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, 8486 + ... + 12948.

It is an arithmetic number, because the mean of its divisors is an integer number (6838848).

Almost surely, 2^47829971 is an apocalyptic number.

47829971 is a deficient number, since it is larger than the sum of its proper divisors (6880813).

47829971 is a wasteful number, since it uses less digits than its factorization.

47829971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001.

The product of its digits is 254016, while the sum is 47.

The square root of 47829971 is about 6915.9215582596. The cubic root of 47829971 is about 362.9944953340.

The spelling of 47829971 in words is "forty-seven million, eight hundred twenty-nine thousand, nine hundred seventy-one".