47627997 has 16 divisors (see below), whose sum is σ = 65776128. Its totient is φ = 30623040.

The previous prime is 47627989. The next prime is 47628001. The reversal of 47627997 is 79972674.

It is a happy number.

It is not a de Polignac number, because 47627997 - 2³ = 47627989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47627977) 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, 34003 + ... + 35375.

It is an arithmetic number, because the mean of its divisors is an integer number (4111008).

Almost surely, 2^47627997 is an apocalyptic number.

It is an amenable number.

47627997 is a deficient number, since it is larger than the sum of its proper divisors (18148131).

47627997 is a wasteful number, since it uses less digits than its factorization.

47627997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its digits is 1333584, while the sum is 51.

The square root of 47627997 is about 6901.3040072149. The cubic root of 47627997 is about 362.4828294681.

The spelling of 47627997 in words is "forty-seven million, six hundred twenty-seven thousand, nine hundred ninety-seven".