47425839 has 8 divisors (see below), whose sum is σ = 65983872. Its totient is φ = 30242520.

The previous prime is 47425783. The next prime is 47425841. The reversal of 47425839 is 93852474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47425839 - 2⁷ = 47425711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47425839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47425039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343597 + ... + 343734.

It is an arithmetic number, because the mean of its divisors is an integer number (8247984).

Almost surely, 2^47425839 is an apocalyptic number.

47425839 is a deficient number, since it is larger than the sum of its proper divisors (18558033).

47425839 is a wasteful number, since it uses less digits than its factorization.

47425839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687357.

The product of its digits is 241920, while the sum is 42.

The square root of 47425839 is about 6886.6420699787. The cubic root of 47425839 is about 361.9692469017.

The spelling of 47425839 in words is "forty-seven million, four hundred twenty-five thousand, eight hundred thirty-nine".