47422642 has 16 divisors (see below), whose sum is σ = 74954880. Its totient is φ = 22457952.

The previous prime is 47422637. The next prime is 47422643. The reversal of 47422642 is 24622474.

It is not an unprimeable number, because it can be changed into a prime (47422643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267 + ... + 9742.

It is an arithmetic number, because the mean of its divisors is an integer number (4684680).

Almost surely, 2^47422642 is an apocalyptic number.

47422642 is a deficient number, since it is larger than the sum of its proper divisors (27532238).

47422642 is a wasteful number, since it uses less digits than its factorization.

47422642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137.

The product of its digits is 21504, while the sum is 31.

The square root of 47422642 is about 6886.4099500393. The cubic root of 47422642 is about 361.9611132084.

The spelling of 47422642 in words is "forty-seven million, four hundred twenty-two thousand, six hundred forty-two".