47673287 has 4 divisors (see below), whose sum is σ = 50477616. Its totient is φ = 44868960.

The previous prime is 47673277. The next prime is 47673347. The reversal of 47673287 is 78237674.

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 47673287 - 2¹² = 47669191 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 (47673217) 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, 1402139 + ... + 1402172.

It is an arithmetic number, because the mean of its divisors is an integer number (12619404).

Almost surely, 2^47673287 is an apocalyptic number.

47673287 is a deficient number, since it is larger than the sum of its proper divisors (2804329).

47673287 is a wasteful number, since it uses less digits than its factorization.

47673287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804328.

The product of its digits is 395136, while the sum is 44.

The square root of 47673287 is about 6904.5844914810. The cubic root of 47673287 is about 362.5976894067.

The spelling of 47673287 in words is "forty-seven million, six hundred seventy-three thousand, two hundred eighty-seven".