47343778 has 8 divisors (see below), whose sum is σ = 71171100. Its totient is φ = 23620080.

The previous prime is 47343773. The next prime is 47343797. The reversal of 47343778 is 87734374.

It can be written as a sum of positive squares in 2 ways, for example, as 42159049 + 5184729 = 6493^2 + 2277^2 .

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

It is not an unprimeable number, because it can be changed into a prime (47343773) 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, 24753 + ... + 26596.

Almost surely, 2^47343778 is an apocalyptic number.

47343778 is a deficient number, since it is larger than the sum of its proper divisors (23827322).

47343778 is a wasteful number, since it uses less digits than its factorization.

47343778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51812.

The product of its digits is 395136, while the sum is 43.

The square root of 47343778 is about 6880.6815069439. The cubic root of 47343778 is about 361.7603543969.

The spelling of 47343778 in words is "forty-seven million, three hundred forty-three thousand, seven hundred seventy-eight".