47649615 has 16 divisors (see below), whose sum is σ = 82104288. Its totient is φ = 23458176.

The previous prime is 47649593. The next prime is 47649619. The reversal of 47649615 is 51694674.

It is not a de Polignac number, because 47649615 - 2¹² = 47645519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47649619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121984 + ... + 122373.

It is an arithmetic number, because the mean of its divisors is an integer number (5131518).

Almost surely, 2^47649615 is an apocalyptic number.

47649615 is a deficient number, since it is larger than the sum of its proper divisors (34454673).

47649615 is a wasteful number, since it uses less digits than its factorization.

47649615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244378.

The product of its digits is 181440, while the sum is 42.

The square root of 47649615 is about 6902.8700552741. The cubic root of 47649615 is about 362.5376639423.

The spelling of 47649615 in words is "forty-seven million, six hundred forty-nine thousand, six hundred fifteen".