47706561 has 12 divisors (see below), whose sum is σ = 78753792. Its totient is φ = 27260856.

The previous prime is 47706559. The next prime is 47706583. The reversal of 47706561 is 16560774.

It is not a de Polignac number, because 47706561 - 2¹ = 47706559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47706541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378561 + ... + 378686.

It is an arithmetic number, because the mean of its divisors is an integer number (6562816).

Almost surely, 2^47706561 is an apocalyptic number.

It is an amenable number.

47706561 is a deficient number, since it is larger than the sum of its proper divisors (31047231).

47706561 is a wasteful number, since it uses less digits than its factorization.

47706561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757260 (or 757257 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 47706561 is about 6906.9936296481. The cubic root of 47706561 is about 362.6820292288.

The spelling of 47706561 in words is "forty-seven million, seven hundred six thousand, five hundred sixty-one".