47382993 has 12 divisors (see below), whose sum is σ = 78219648. Its totient is φ = 27075960.

The previous prime is 47382991. The next prime is 47382997. The reversal of 47382993 is 39928374.

It is a happy number.

It is not a de Polignac number, because 47382993 - 2¹ = 47382991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47382991) 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 11 ways as a sum of consecutive naturals, for example, 375993 + ... + 376118.

It is an arithmetic number, because the mean of its divisors is an integer number (6518304).

Almost surely, 2^47382993 is an apocalyptic number.

It is an amenable number.

47382993 is a deficient number, since it is larger than the sum of its proper divisors (30836655).

47382993 is a wasteful number, since it uses less digits than its factorization.

47382993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752124 (or 752121 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 47382993 is about 6883.5305621461. The cubic root of 47382993 is about 361.8602092445.

The spelling of 47382993 in words is "forty-seven million, three hundred eighty-two thousand, nine hundred ninety-three".