47420442 has 24 divisors (see below), whose sum is σ = 103439700. Its totient is φ = 15699840.

The previous prime is 47420441. The next prime is 47420453. The reversal of 47420442 is 24402474.

It can be written as a sum of positive squares in 2 ways, for example, as 42263001 + 5157441 = 6501^2 + 2271^2 .

It is not an unprimeable number, because it can be changed into a prime (47420441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6159 + ... + 11522.

Almost surely, 2^47420442 is an apocalyptic number.

47420442 is an abundant number, since it is smaller than the sum of its proper divisors (56019258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47420442 is a wasteful number, since it uses less digits than its factorization.

47420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17838 (or 17835 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 47420442 is about 6886.2502132873. The cubic root of 47420442 is about 361.9555158345.

The spelling of 47420442 in words is "forty-seven million, four hundred twenty thousand, four hundred forty-two".