47290661 has 8 divisors (see below), whose sum is σ = 52212384. Its totient is φ = 42472720.

The previous prime is 47290637. The next prime is 47290679. The reversal of 47290661 is 16609274.

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 47290661 - 2²² = 43096357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47290861) 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, 24986 + ... + 26811.

It is an arithmetic number, because the mean of its divisors is an integer number (6526548).

Almost surely, 2^47290661 is an apocalyptic number.

It is an amenable number.

47290661 is a deficient number, since it is larger than the sum of its proper divisors (4921723).

47290661 is a wasteful number, since it uses less digits than its factorization.

47290661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51891.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 47290661 is about 6876.8205589502. The cubic root of 47290661 is about 361.6250123216.

The spelling of 47290661 in words is "forty-seven million, two hundred ninety thousand, six hundred sixty-one".