47002471 has 8 divisors (see below), whose sum is σ = 47689488. Its totient is φ = 46320000.

The previous prime is 47002453. The next prime is 47002477. The reversal of 47002471 is 17420074.

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 47002471 - 2⁷ = 47002343 is a prime.

It is a super-3 number, since 3×47002471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47002477) 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, 23376 + ... + 25306.

It is an arithmetic number, because the mean of its divisors is an integer number (5961186).

Almost surely, 2^47002471 is an apocalyptic number.

47002471 is a deficient number, since it is larger than the sum of its proper divisors (687017).

47002471 is a wasteful number, since it uses less digits than its factorization.

47002471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 47002471 is about 6855.8348142294. The cubic root of 47002471 is about 360.8889323068. Note that the first 3 decimals are identical.

The spelling of 47002471 in words is "forty-seven million, two thousand, four hundred seventy-one".