47214471 has 4 divisors (see below), whose sum is σ = 62952632. Its totient is φ = 31476312.

The previous prime is 47214443. The next prime is 47214511. The reversal of 47214471 is 17441274.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47214471 - 2⁵ = 47214439 is a prime.

It is a super-3 number, since 3×47214471³ (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 (47214371) 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, 7869076 + ... + 7869081.

It is an arithmetic number, because the mean of its divisors is an integer number (15738158).

Almost surely, 2^47214471 is an apocalyptic number.

47214471 is a deficient number, since it is larger than the sum of its proper divisors (15738161).

47214471 is a wasteful number, since it uses less digits than its factorization.

47214471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15738160.

The product of its digits is 6272, while the sum is 30.

The square root of 47214471 is about 6871.2787019593. The cubic root of 47214471 is about 361.4307032070.

The spelling of 47214471 in words is "forty-seven million, two hundred fourteen thousand, four hundred seventy-one".