47618745 has 16 divisors (see below), whose sum is σ = 76904640. Its totient is φ = 25158464.

The previous prime is 47618743. The next prime is 47618801. The reversal of 47618745 is 54781674.

It is a cyclic number.

It is not a de Polignac number, because 47618745 - 2¹ = 47618743 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47618697 and 47618706.

It is not an unprimeable number, because it can be changed into a prime (47618743) 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, 13230 + ... + 16439.

It is an arithmetic number, because the mean of its divisors is an integer number (4806540).

Almost surely, 2^47618745 is an apocalyptic number.

It is an amenable number.

47618745 is a deficient number, since it is larger than the sum of its proper divisors (29285895).

47618745 is a wasteful number, since it uses less digits than its factorization.

47618745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29784.

The product of its digits is 188160, while the sum is 42.

The square root of 47618745 is about 6900.6336665556. The cubic root of 47618745 is about 362.4593565213.

The spelling of 47618745 in words is "forty-seven million, six hundred eighteen thousand, seven hundred forty-five".