47020447 has 8 divisors (see below), whose sum is σ = 48094640. Its totient is φ = 45956160.

The previous prime is 47020439. The next prime is 47020469. The reversal of 47020447 is 74402074.

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 47020447 - 2³ = 47020439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47023447) 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 7 ways as a sum of consecutive naturals, for example, 7579 + ... + 12307.

It is an arithmetic number, because the mean of its divisors is an integer number (6011830).

Almost surely, 2^47020447 is an apocalyptic number.

47020447 is a deficient number, since it is larger than the sum of its proper divisors (1074193).

47020447 is a wasteful number, since it uses less digits than its factorization.

47020447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 47020447 is about 6857.1456889875. The cubic root of 47020447 is about 360.9349335237.

The spelling of 47020447 in words is "forty-seven million, twenty thousand, four hundred forty-seven".