47690545 has 16 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 32382144.

The previous prime is 47690543. The next prime is 47690563. The reversal of 47690545 is 54509674.

It is a cyclic number.

It is not a de Polignac number, because 47690545 - 2¹ = 47690543 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 47690498 and 47690507.

It is not an unprimeable number, because it can be changed into a prime (47690543) 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, 3010 + ... + 10219.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 2^47690545 is an apocalyptic number.

It is an amenable number.

47690545 is a deficient number, since it is larger than the sum of its proper divisors (18353615).

47690545 is a wasteful number, since it uses less digits than its factorization.

47690545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13344.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 47690545 is about 6905.8341277502. The cubic root of 47690545 is about 362.6414382674.

The spelling of 47690545 in words is "forty-seven million, six hundred ninety thousand, five hundred forty-five".