47494661 has 16 divisors (see below), whose sum is σ = 52050240. Its totient is φ = 43182720.

The previous prime is 47494631. The next prime is 47494673. The reversal of 47494661 is 16649474.

It is a cyclic number.

It is not a de Polignac number, because 47494661 - 2⁶ = 47494597 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47494621) 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, 49361 + ... + 50313.

It is an arithmetic number, because the mean of its divisors is an integer number (3253140).

Almost surely, 2^47494661 is an apocalyptic number.

It is an amenable number.

47494661 is a deficient number, since it is larger than the sum of its proper divisors (4555579).

47494661 is a wasteful number, since it uses less digits than its factorization.

47494661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076.

The product of its digits is 145152, while the sum is 41.

The square root of 47494661 is about 6891.6370333905. The cubic root of 47494661 is about 362.1442528173.

The spelling of 47494661 in words is "forty-seven million, four hundred ninety-four thousand, six hundred sixty-one".