47451742 has 16 divisors (see below), whose sum is σ = 76935600. Its totient is φ = 21820032.

The previous prime is 47451707. The next prime is 47451769. The reversal of 47451742 is 24715474.

It is a happy number.

47451742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47451698 and 47451707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4134 + ... + 10582.

It is an arithmetic number, because the mean of its divisors is an integer number (4808475).

Almost surely, 2^47451742 is an apocalyptic number.

47451742 is a deficient number, since it is larger than the sum of its proper divisors (29483858).

47451742 is a wasteful number, since it uses less digits than its factorization.

47451742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747.

The product of its digits is 31360, while the sum is 34.

The square root of 47451742 is about 6888.5224830874. The cubic root of 47451742 is about 362.0351349148.

The spelling of 47451742 in words is "forty-seven million, four hundred fifty-one thousand, seven hundred forty-two".