47339457 has 16 divisors (see below), whose sum is σ = 69037248. Its totient is φ = 28615680.

The previous prime is 47339443. The next prime is 47339459. The reversal of 47339457 is 75493374.

47339457 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 47339457 - 2⁷ = 47339329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47339459) 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 15 ways as a sum of consecutive naturals, for example, 12633 + ... + 15945.

It is an arithmetic number, because the mean of its divisors is an integer number (4314828).

Almost surely, 2^47339457 is an apocalyptic number.

It is an amenable number.

47339457 is a deficient number, since it is larger than the sum of its proper divisors (21697791).

47339457 is a wasteful number, since it uses less digits than its factorization.

With its successor (47339458) it forms an eRAP, since the sums of their prime factors are consecutive (3760 and 3761).

47339457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760.

The product of its digits is 317520, while the sum is 42.

The square root of 47339457 is about 6880.3675047195. The cubic root of 47339457 is about 361.7493482759.

The spelling of 47339457 in words is "forty-seven million, three hundred thirty-nine thousand, four hundred fifty-seven".