47937845 has 8 divisors (see below), whose sum is σ = 57646464. Its totient is φ = 38269584.

The previous prime is 47937839. The next prime is 47937847. The reversal of 47937845 is 54873974.

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 47937845 - 2¹⁶ = 47872309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47937845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47937847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7409 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (7205808).

Almost surely, 2^47937845 is an apocalyptic number.

It is an amenable number.

47937845 is a deficient number, since it is larger than the sum of its proper divisors (9708619).

47937845 is a wasteful number, since it uses less digits than its factorization.

47937845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20179.

The product of its digits is 846720, while the sum is 47.

The square root of 47937845 is about 6923.7161264743. The cubic root of 47937845 is about 363.2671853506.

The spelling of 47937845 in words is "forty-seven million, nine hundred thirty-seven thousand, eight hundred forty-five".