47384907 has 4 divisors (see below), whose sum is σ = 63179880. Its totient is φ = 31589936.

The previous prime is 47384891. The next prime is 47384921. The reversal of 47384907 is 70948374.

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 47384907 - 2⁴ = 47384891 is a prime.

It is a super-2 number, since 2×47384907² = 4490658822797298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47384947) 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, 7897482 + ... + 7897487.

It is an arithmetic number, because the mean of its divisors is an integer number (15794970).

Almost surely, 2^47384907 is an apocalyptic number.

47384907 is a deficient number, since it is larger than the sum of its proper divisors (15794973).

47384907 is a wasteful number, since it uses less digits than its factorization.

47384907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15794972.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 47384907 is about 6883.6695882356. The cubic root of 47384907 is about 361.8650815350.

The spelling of 47384907 in words is "forty-seven million, three hundred eighty-four thousand, nine hundred seven".