47636997 has 8 divisors (see below), whose sum is σ = 63697344. Its totient is φ = 31667328.

The previous prime is 47636993. The next prime is 47636999. The reversal of 47636997 is 79963674.

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

It is not a de Polignac number, because 47636997 - 2² = 47636993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47636993) 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, 21433 + ... + 23550.

It is an arithmetic number, because the mean of its divisors is an integer number (7962168).

Almost surely, 2^47636997 is an apocalyptic number.

It is an amenable number.

47636997 is a deficient number, since it is larger than the sum of its proper divisors (16060347).

47636997 is a wasteful number, since it uses less digits than its factorization.

47636997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45339.

The product of its digits is 1714608, while the sum is 51.

The square root of 47636997 is about 6901.9560270984. The cubic root of 47636997 is about 362.5056601574.

It can be divided in two parts, 476 and 36997, that added together give a palindrome (37473).

The spelling of 47636997 in words is "forty-seven million, six hundred thirty-six thousand, nine hundred ninety-seven".