47473999 has 4 divisors (see below), whose sum is σ = 47598336. Its totient is φ = 47349664.

The previous prime is 47473991. The next prime is 47474029. The reversal of 47473999 is 99937474.

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 47473999 - 2³ = 47473991 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 (47473991) 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, 61594 + ... + 62359.

It is an arithmetic number, because the mean of its divisors is an integer number (11899584).

Almost surely, 2^47473999 is an apocalyptic number.

47473999 is a deficient number, since it is larger than the sum of its proper divisors (124337).

47473999 is a wasteful number, since it uses less digits than its factorization.

47473999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124336.

The product of its digits is 1714608, while the sum is 52.

The square root of 47473999 is about 6890.1378070399. The cubic root of 47473999 is about 362.0917296513.

The spelling of 47473999 in words is "forty-seven million, four hundred seventy-three thousand, nine hundred ninety-nine".