47821371 has 8 divisors (see below), whose sum is σ = 68666640. Its totient is φ = 29428512.

The previous prime is 47821369. The next prime is 47821373. The reversal of 47821371 is 17312874.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47821369) and next prime (47821373).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47821371 - 2¹ = 47821369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47821373) 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, 613056 + ... + 613133.

It is an arithmetic number, because the mean of its divisors is an integer number (8583330).

Almost surely, 2^47821371 is an apocalyptic number.

47821371 is a deficient number, since it is larger than the sum of its proper divisors (20845269).

47821371 is a wasteful number, since it uses less digits than its factorization.

47821371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226205.

The product of its digits is 9408, while the sum is 33.

The square root of 47821371 is about 6915.2997765824. The cubic root of 47821371 is about 362.9727381267.

The spelling of 47821371 in words is "forty-seven million, eight hundred twenty-one thousand, three hundred seventy-one".