47645229 has 8 divisors (see below), whose sum is σ = 63623520. Its totient is φ = 31715216.

The previous prime is 47645219. The next prime is 47645249. The reversal of 47645229 is 92254674.

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 47645229 - 2⁵ = 47645197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47645219) 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, 9699 + ... + 13760.

It is an arithmetic number, because the mean of its divisors is an integer number (7952940).

Almost surely, 2^47645229 is an apocalyptic number.

It is an amenable number.

47645229 is a deficient number, since it is larger than the sum of its proper divisors (15978291).

47645229 is a wasteful number, since it uses less digits than its factorization.

47645229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24139.

The product of its digits is 120960, while the sum is 39.

The square root of 47645229 is about 6902.5523540209. The cubic root of 47645229 is about 362.5265401100.

It can be divided in two parts, 47645 and 229, that added together give a palindrome (47874).

The spelling of 47645229 in words is "forty-seven million, six hundred forty-five thousand, two hundred twenty-nine".