47994207 has 4 divisors (see below), whose sum is σ = 63992280. Its totient is φ = 31996136.

The previous prime is 47994197. The next prime is 47994211. The reversal of 47994207 is 70249974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47994207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47994227) 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, 7999032 + ... + 7999037.

It is an arithmetic number, because the mean of its divisors is an integer number (15998070).

Almost surely, 2^47994207 is an apocalyptic number.

47994207 is a deficient number, since it is larger than the sum of its proper divisors (15998073).

47994207 is a wasteful number, since it uses less digits than its factorization.

47994207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15998072.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 47994207 is about 6927.7851438970. The cubic root of 47994207 is about 363.4094977288.

The spelling of 47994207 in words is "forty-seven million, nine hundred ninety-four thousand, two hundred seven".