47451682 has 4 divisors (see below), whose sum is σ = 71177526. Its totient is φ = 23725840.

The previous prime is 47451673. The next prime is 47451689. The reversal of 47451682 is 28615474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28615474 = 2 ⋅14307737.

It can be written as a sum of positive squares in only one way, i.e., 35748441 + 11703241 = 5979^2 + 3421^2 .

It is not an unprimeable number, because it can be changed into a prime (47451689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11862919 + ... + 11862922.

Almost surely, 2^47451682 is an apocalyptic number.

47451682 is a deficient number, since it is larger than the sum of its proper divisors (23725844).

47451682 is a wasteful number, since it uses less digits than its factorization.

47451682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23725843.

The product of its digits is 53760, while the sum is 37.

The square root of 47451682 is about 6888.5181280156. The cubic root of 47451682 is about 362.0349823239.

The spelling of 47451682 in words is "forty-seven million, four hundred fifty-one thousand, six hundred eighty-two".