47918834 has 4 divisors (see below), whose sum is σ = 71878254. Its totient is φ = 23959416.

The previous prime is 47918833. The next prime is 47918881. The reversal of 47918834 is 43881974.

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., 28143025 + 19775809 = 5305^2 + 4447^2 .

It is not an unprimeable number, because it can be changed into a prime (47918831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11979707 + ... + 11979710.

Almost surely, 2^47918834 is an apocalyptic number.

47918834 is a deficient number, since it is larger than the sum of its proper divisors (23959420).

47918834 is a wasteful number, since it uses less digits than its factorization.

47918834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23959419.

The product of its digits is 193536, while the sum is 44.

The square root of 47918834 is about 6922.3431004249. The cubic root of 47918834 is about 363.2191579824.

The spelling of 47918834 in words is "forty-seven million, nine hundred eighteen thousand, eight hundred thirty-four".