47494915 has 12 divisors (see below), whose sum is σ = 61716384. Its totient is φ = 35072544.

The previous prime is 47494913. The next prime is 47494949. The reversal of 47494915 is 51949474.

47494915 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 47494915 - 2¹ = 47494913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47494913) 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 11 ways as a sum of consecutive naturals, for example, 27259 + ... + 28948.

It is an arithmetic number, because the mean of its divisors is an integer number (5143032).

Almost surely, 2^47494915 is an apocalyptic number.

47494915 is a deficient number, since it is larger than the sum of its proper divisors (14221469).

47494915 is a wasteful number, since it uses less digits than its factorization.

47494915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56238 (or 56225 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 47494915 is about 6891.6554614983. The cubic root of 47494915 is about 362.1448983949.

The spelling of 47494915 in words is "forty-seven million, four hundred ninety-four thousand, nine hundred fifteen".