47801471 has 4 divisors (see below), whose sum is σ = 47815944. Its totient is φ = 47787000.

The previous prime is 47801461. The next prime is 47801477. The reversal of 47801471 is 17410874.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47801471 - 2⁶ = 47801407 is a prime.

It is a super-3 number, since 3×47801471³ (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 (47801477) 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, 416 + ... + 9786.

It is an arithmetic number, because the mean of its divisors is an integer number (11953986).

Almost surely, 2^47801471 is an apocalyptic number.

47801471 is a deficient number, since it is larger than the sum of its proper divisors (14473).

47801471 is an equidigital number, since it uses as much as digits as its factorization.

47801471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14472.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 47801471 is about 6913.8607883006. The cubic root of 47801471 is about 362.9223829578.

The spelling of 47801471 in words is "forty-seven million, eight hundred one thousand, four hundred seventy-one".