47434242 has 8 divisors (see below), whose sum is σ = 94868496. Its totient is φ = 15811412.

The previous prime is 47434223. The next prime is 47434243. The reversal of 47434242 is 24243474.

It is a happy number.

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

47434242 is an admirable number.

It is a super-2 number, since 2×47434242² = 4500014628229128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47434243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3952848 + ... + 3952859.

It is an arithmetic number, because the mean of its divisors is an integer number (11858562).

Almost surely, 2^47434242 is an apocalyptic number.

47434242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47434242 is a wasteful number, since it uses less digits than its factorization.

47434242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905712.

The product of its digits is 21504, while the sum is 30.

The square root of 47434242 is about 6887.2521371008. The cubic root of 47434242 is about 361.9906237715.

It can be divided in two parts, 474 and 34242, that added together give a triangular number (34716 = T₂₆₃).

The spelling of 47434242 in words is "forty-seven million, four hundred thirty-four thousand, two hundred forty-two".