47023642 has 8 divisors (see below), whose sum is σ = 70588800. Its totient is φ = 23494044.

The previous prime is 47023609. The next prime is 47023643. The reversal of 47023642 is 24632074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×47023642² = 4422445813888328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47023642.

It is not an unprimeable number, because it can be changed into a prime (47023643) 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, 5292 + ... + 11047.

It is an arithmetic number, because the mean of its divisors is an integer number (8823600).

Almost surely, 2^47023642 is an apocalyptic number.

47023642 is a deficient number, since it is larger than the sum of its proper divisors (23565158).

47023642 is a wasteful number, since it uses less digits than its factorization.

47023642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17780.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 47023642 is about 6857.3786536839. The cubic root of 47023642 is about 360.9431084141.

The spelling of 47023642 in words is "forty-seven million, twenty-three thousand, six hundred forty-two".