47030642 has 4 divisors (see below), whose sum is σ = 70545966. Its totient is φ = 23515320.

The previous prime is 47030617. The next prime is 47030651. The reversal of 47030642 is 24603074.

It is a happy number.

47030642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24603074 = 2 ⋅12301537.

It can be written as a sum of positive squares in only one way, i.e., 46799281 + 231361 = 6841^2 + 481^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11757659 + ... + 11757662.

Almost surely, 2^47030642 is an apocalyptic number.

47030642 is a deficient number, since it is larger than the sum of its proper divisors (23515324).

47030642 is a wasteful number, since it uses less digits than its factorization.

47030642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23515323.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 47030642 is about 6857.8890338062. The cubic root of 47030642 is about 360.9610176777.

The spelling of 47030642 in words is "forty-seven million, thirty thousand, six hundred forty-two".