47476991 has 8 divisors (see below), whose sum is σ = 52149120. Its totient is φ = 43022232.

The previous prime is 47476963. The next prime is 47476993. The reversal of 47476991 is 19967474.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-47476991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47476993) 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, 53885 + ... + 54758.

It is an arithmetic number, because the mean of its divisors is an integer number (6518640).

Almost surely, 2^47476991 is an apocalyptic number.

47476991 is a deficient number, since it is larger than the sum of its proper divisors (4672129).

47476991 is a wasteful number, since it uses less digits than its factorization.

47476991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108685.

The product of its digits is 381024, while the sum is 47.

The square root of 47476991 is about 6890.3549255463. The cubic root of 47476991 is about 362.0993363112.

The spelling of 47476991 in words is "forty-seven million, four hundred seventy-six thousand, nine hundred ninety-one".