47239907 has 32 divisors (see below), whose sum is σ = 59222016. Its totient is φ = 37065600.

The previous prime is 47239903. The next prime is 47239919. The reversal of 47239907 is 70993274.

47239907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47239907 - 2² = 47239903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47239901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174182 + ... + 174452.

It is an arithmetic number, because the mean of its divisors is an integer number (1850688).

Almost surely, 2^47239907 is an apocalyptic number.

47239907 is a deficient number, since it is larger than the sum of its proper divisors (11982109).

47239907 is a wasteful number, since it uses less digits than its factorization.

47239907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 47239907 is about 6873.1293455019. The cubic root of 47239907 is about 361.4955964537.

The spelling of 47239907 in words is "forty-seven million, two hundred thirty-nine thousand, nine hundred seven".