47151705 has 8 divisors (see below), whose sum is σ = 75442752. Its totient is φ = 25147568.

The previous prime is 47151683. The next prime is 47151707. The reversal of 47151705 is 50715174.

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

It is a cyclic number.

It is not a de Polignac number, because 47151705 - 2⁶ = 47151641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47151707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571709 + ... + 1571738.

It is an arithmetic number, because the mean of its divisors is an integer number (9430344).

Almost surely, 2^47151705 is an apocalyptic number.

It is an amenable number.

47151705 is a deficient number, since it is larger than the sum of its proper divisors (28291047).

47151705 is a wasteful number, since it uses less digits than its factorization.

47151705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143455.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 47151705 is about 6866.7099108671. The cubic root of 47151705 is about 361.2704725330.

Adding to 47151705 its reverse (50715174), we get a palindrome (97866879).

The spelling of 47151705 in words is "forty-seven million, one hundred fifty-one thousand, seven hundred five".