47190113 has 4 divisors (see below), whose sum is σ = 49966020. Its totient is φ = 44414208.

The previous prime is 47190109. The next prime is 47190119. The reversal of 47190113 is 31109174.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41319184 + 5870929 = 6428^2 + 2423^2 .

It is a cyclic number.

It is not a de Polignac number, because 47190113 - 2² = 47190109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47190119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387928 + ... + 1387961.

It is an arithmetic number, because the mean of its divisors is an integer number (12491505).

Almost surely, 2^47190113 is an apocalyptic number.

It is an amenable number.

47190113 is a deficient number, since it is larger than the sum of its proper divisors (2775907).

47190113 is a wasteful number, since it uses less digits than its factorization.

47190113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775906.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 47190113 is about 6869.5060229976. The cubic root of 47190113 is about 361.3685383434.

Adding to 47190113 its reverse (31109174), we get a palindrome (78299287).

The spelling of 47190113 in words is "forty-seven million, one hundred ninety thousand, one hundred thirteen".