47144742 has 8 divisors (see below), whose sum is σ = 94289496. Its totient is φ = 15714912.

The previous prime is 47144737. The next prime is 47144753. The reversal of 47144742 is 24744174.

It is a happy number.

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

47144742 is an admirable number.

It is a congruent number.

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, 3928723 + ... + 3928734.

It is an arithmetic number, because the mean of its divisors is an integer number (11786187).

Almost surely, 2^47144742 is an apocalyptic number.

47144742 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.

47144742 is a wasteful number, since it uses less digits than its factorization.

47144742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857462.

The product of its digits is 25088, while the sum is 33.

The square root of 47144742 is about 6866.2028807777. The cubic root of 47144742 is about 361.2526884456.

The spelling of 47144742 in words is "forty-seven million, one hundred forty-four thousand, seven hundred forty-two".