47020471 has 4 divisors (see below), whose sum is σ = 47051512. Its totient is φ = 46989432.

The previous prime is 47020469. The next prime is 47020483. The reversal of 47020471 is 17402074.

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

It is a cyclic number.

It is not a de Polignac number, because 47020471 - 2¹ = 47020469 is a prime.

It is a super-3 number, since 3×47020471³ (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 (47020871) by changing a digit.

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, 13125 + ... + 16318.

It is an arithmetic number, because the mean of its divisors is an integer number (11762878).

Almost surely, 2^47020471 is an apocalyptic number.

47020471 is a deficient number, since it is larger than the sum of its proper divisors (31041).

47020471 is a wasteful number, since it uses less digits than its factorization.

47020471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31040.

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

The square root of 47020471 is about 6857.1474389866. The cubic root of 47020471 is about 360.9349949327.

The spelling of 47020471 in words is "forty-seven million, twenty thousand, four hundred seventy-one".