47012705 has 8 divisors (see below), whose sum is σ = 56617704. Its totient is φ = 37475200.

The previous prime is 47012659. The next prime is 47012723. The reversal of 47012705 is 50721074.

It can be written as a sum of positive squares in 4 ways, for example, as 7524049 + 39488656 = 2743^2 + 6284^2 .

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

It is not a de Polignac number, because 47012705 - 2¹⁶ = 46947169 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15326 + ... + 18135.

It is an arithmetic number, because the mean of its divisors is an integer number (7077213).

Almost surely, 2^47012705 is an apocalyptic number.

It is an amenable number.

47012705 is a deficient number, since it is larger than the sum of its proper divisors (9604999).

47012705 is a wasteful number, since it uses less digits than its factorization.

47012705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33747.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 47012705 is about 6856.5811451481. The cubic root of 47012705 is about 360.9151229107.

Adding to 47012705 its reverse (50721074), we get a palindrome (97733779).

The spelling of 47012705 in words is "forty-seven million, twelve thousand, seven hundred five".