47043442 has 8 divisors (see below), whose sum is σ = 71358300. Its totient is φ = 23257344.

The previous prime is 47043433. The next prime is 47043509. The reversal of 47043442 is 24434074.

It can be written as a sum of positive squares in 2 ways, for example, as 34234201 + 12809241 = 5851^2 + 3579^2 .

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

It is a super-3 number, since 3×47043442³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47043442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131967 + ... + 132322.

Almost surely, 2^47043442 is an apocalyptic number.

47043442 is a deficient number, since it is larger than the sum of its proper divisors (24314858).

47043442 is a wasteful number, since it uses less digits than its factorization.

47043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264380.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 47043442 is about 6858.8222020985. The cubic root of 47043442 is about 360.9937614502.

The spelling of 47043442 in words is "forty-seven million, forty-three thousand, four hundred forty-two".