47632705 has 8 divisors (see below), whose sum is σ = 57235752. Its totient is φ = 38055168.

The previous prime is 47632699. The next prime is 47632721. The reversal of 47632705 is 50723674.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13046544 + 34586161 = 3612^2 + 5881^2 .

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 47632705 - 2¹¹ = 47630657 is a prime.

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

It is a Duffinian 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, 1992 + ... + 9961.

It is an arithmetic number, because the mean of its divisors is an integer number (7154469).

Almost surely, 2^47632705 is an apocalyptic number.

47632705 is the 3985-th octagonal number.

It is an amenable number.

47632705 is a deficient number, since it is larger than the sum of its proper divisors (9603047).

47632705 is a wasteful number, since it uses less digits than its factorization.

47632705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12755.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 47632705 is about 6901.6450937440. The cubic root of 47632705 is about 362.4947728140.

The spelling of 47632705 in words is "forty-seven million, six hundred thirty-two thousand, seven hundred five".