47206642 has 16 divisors (see below), whose sum is σ = 81349632. Its totient is φ = 20125440.

The previous prime is 47206597. The next prime is 47206657. The reversal of 47206642 is 24660274.

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 7 ways as a sum of consecutive naturals, for example, 6034 + ... + 11437.

It is an arithmetic number, because the mean of its divisors is an integer number (5084352).

Almost surely, 2^47206642 is an apocalyptic number.

47206642 is a deficient number, since it is larger than the sum of its proper divisors (34142990).

47206642 is a wasteful number, since it uses less digits than its factorization.

47206642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17673.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 47206642 is about 6870.7089881613. The cubic root of 47206642 is about 361.4107248873.

The spelling of 47206642 in words is "forty-seven million, two hundred six thousand, six hundred forty-two".