47382845 has 16 divisors (see below), whose sum is σ = 57784320. Its totient is φ = 37295424.

The previous prime is 47382809. The next prime is 47382871. The reversal of 47382845 is 54828374.

It is a cyclic number.

It is not a de Polignac number, because 47382845 - 2⁸ = 47382589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123524 + ... + 123906.

It is an arithmetic number, because the mean of its divisors is an integer number (3611520).

Almost surely, 2^47382845 is an apocalyptic number.

It is an amenable number.

47382845 is a deficient number, since it is larger than the sum of its proper divisors (10401475).

47382845 is a wasteful number, since it uses less digits than its factorization.

47382845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724.

The product of its digits is 215040, while the sum is 41.

The square root of 47382845 is about 6883.5198118405. The cubic root of 47382845 is about 361.8598324893.

The spelling of 47382845 in words is "forty-seven million, three hundred eighty-two thousand, eight hundred forty-five".