47139635 has 8 divisors (see below), whose sum is σ = 56648160. Its totient is φ = 37657984.

The previous prime is 47139613. The next prime is 47139647. The reversal of 47139635 is 53693174.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47139635 - 2¹⁸ = 46877491 is a prime.

It is a super-3 number, since 3×47139635³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630 + ... + 10059.

It is an arithmetic number, because the mean of its divisors is an integer number (7081020).

Almost surely, 2^47139635 is an apocalyptic number.

47139635 is a deficient number, since it is larger than the sum of its proper divisors (9508525).

47139635 is a wasteful number, since it uses less digits than its factorization.

47139635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437.

The product of its digits is 68040, while the sum is 38.

The square root of 47139635 is about 6865.8309766553. The cubic root of 47139635 is about 361.2396436250.

It can be divided in two parts, 47139 and 635, that added together give a palindrome (47774).

The spelling of 47139635 in words is "forty-seven million, one hundred thirty-nine thousand, six hundred thirty-five".