47691505 has 16 divisors (see below), whose sum is σ = 58423680. Its totient is φ = 37366272.

The previous prime is 47691499. The next prime is 47691559. The reversal of 47691505 is 50519674.

It is a cyclic number.

It is not a de Polignac number, because 47691505 - 2⁷ = 47691377 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51436 + ... + 52354.

It is an arithmetic number, because the mean of its divisors is an integer number (3651480).

Almost surely, 2^47691505 is an apocalyptic number.

It is an amenable number.

47691505 is a deficient number, since it is larger than the sum of its proper divisors (10732175).

47691505 is a wasteful number, since it uses less digits than its factorization.

47691505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 47691505 is about 6905.9036338484. The cubic root of 47691505 is about 362.6438715481.

The spelling of 47691505 in words is "forty-seven million, six hundred ninety-one thousand, five hundred five".