47705642 has 8 divisors (see below), whose sum is σ = 71587776. Its totient is φ = 23843052.

The previous prime is 47705597. The next prime is 47705659. The reversal of 47705642 is 24650774.

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

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, 7073 + ... + 12059.

It is an arithmetic number, because the mean of its divisors is an integer number (8948472).

Almost surely, 2^47705642 is an apocalyptic number.

47705642 is a deficient number, since it is larger than the sum of its proper divisors (23882134).

47705642 is a wasteful number, since it uses less digits than its factorization.

47705642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9772.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 47705642 is about 6906.9271025544. The cubic root of 47705642 is about 362.6797003603.

The spelling of 47705642 in words is "forty-seven million, seven hundred five thousand, six hundred forty-two".