47687349 has 8 divisors (see below), whose sum is σ = 66347712. Its totient is φ = 30409280.

The previous prime is 47687327. The next prime is 47687369. The reversal of 47687349 is 94378674.

It is a happy number.

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 47687349 - 2¹⁷ = 47556277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47687298 and 47687307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47687309) 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, 345492 + ... + 345629.

It is an arithmetic number, because the mean of its divisors is an integer number (8293464).

Almost surely, 2^47687349 is an apocalyptic number.

It is an amenable number.

47687349 is a deficient number, since it is larger than the sum of its proper divisors (18660363).

47687349 is a wasteful number, since it uses less digits than its factorization.

47687349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691147.

The product of its digits is 1016064, while the sum is 48.

The square root of 47687349 is about 6905.6027253238. The cubic root of 47687349 is about 362.6333372351.

The spelling of 47687349 in words is "forty-seven million, six hundred eighty-seven thousand, three hundred forty-nine".