47672705 has 8 divisors (see below), whose sum is σ = 58286952. Its totient is φ = 37418368.

The previous prime is 47672701. The next prime is 47672741. The reversal of 47672705 is 50727674.

It can be written as a sum of positive squares in 4 ways, for example, as 24671089 + 23001616 = 4967^2 + 4796^2 .

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 47672705 - 2² = 47672701 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47672701) 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, 89684 + ... + 90213.

It is an arithmetic number, because the mean of its divisors is an integer number (7285869).

Almost surely, 2^47672705 is an apocalyptic number.

It is an amenable number.

47672705 is a deficient number, since it is larger than the sum of its proper divisors (10614247).

47672705 is a wasteful number, since it uses less digits than its factorization.

47672705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179955.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 47672705 is about 6904.5423454419. The cubic root of 47672705 is about 362.5962138584.

The spelling of 47672705 in words is "forty-seven million, six hundred seventy-two thousand, seven hundred five".