47234818 has 4 divisors (see below), whose sum is σ = 70852230. Its totient is φ = 23617408.

The previous prime is 47234813. The next prime is 47234843. The reversal of 47234818 is 81843274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41049649 + 6185169 = 6407^2 + 2487^2 .

It is a super-2 number, since 2×47234818² = 4462256062986248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47234813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11808703 + ... + 11808706.

Almost surely, 2^47234818 is an apocalyptic number.

47234818 is a deficient number, since it is larger than the sum of its proper divisors (23617412).

47234818 is a wasteful number, since it uses less digits than its factorization.

47234818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23617411.

The product of its digits is 43008, while the sum is 37.

The square root of 47234818 is about 6872.7591257078. The cubic root of 47234818 is about 361.4826150765.

The spelling of 47234818 in words is "forty-seven million, two hundred thirty-four thousand, eight hundred eighteen".