47113394 has 4 divisors (see below), whose sum is σ = 70670094. Its totient is φ = 23556696.

The previous prime is 47113393. The next prime is 47113403. The reversal of 47113394 is 49331174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49331174 = 2 ⋅24665587.

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 7360369 = 6305^2 + 2713^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47113394.

It is not an unprimeable number, because it can be changed into a prime (47113393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11778347 + ... + 11778350.

Almost surely, 2^47113394 is an apocalyptic number.

47113394 is a deficient number, since it is larger than the sum of its proper divisors (23556700).

47113394 is a wasteful number, since it uses less digits than its factorization.

47113394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23556699.

The product of its digits is 9072, while the sum is 32.

The square root of 47113394 is about 6863.9197256378. The cubic root of 47113394 is about 361.1726013228.

The spelling of 47113394 in words is "forty-seven million, one hundred thirteen thousand, three hundred ninety-four".