47342018 has 8 divisors (see below), whose sum is σ = 72932412. Its totient is φ = 23031216.

The previous prime is 47341997. The next prime is 47342041. The reversal of 47342018 is 81024374.

It can be written as a sum of positive squares in 2 ways, for example, as 44930209 + 2411809 = 6703^2 + 1553^2 .

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

It is an unprimeable number.

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, 319805 + ... + 319952.

Almost surely, 2^47342018 is an apocalyptic number.

47342018 is a deficient number, since it is larger than the sum of its proper divisors (25590394).

47342018 is a wasteful number, since it uses less digits than its factorization.

47342018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639796.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 47342018 is about 6880.5536114473. The cubic root of 47342018 is about 361.7558715402.

The spelling of 47342018 in words is "forty-seven million, three hundred forty-two thousand, eighteen".