47649705 has 16 divisors (see below), whose sum is σ = 76464000. Its totient is φ = 25338368.

The previous prime is 47649683. The next prime is 47649709. The reversal of 47649705 is 50794674.

It is a cyclic number.

It is not a de Polignac number, because 47649705 - 2⁹ = 47649193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47649709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796 + ... + 9794.

It is an arithmetic number, because the mean of its divisors is an integer number (4779000).

Almost surely, 2^47649705 is an apocalyptic number.

It is an amenable number.

47649705 is a deficient number, since it is larger than the sum of its proper divisors (28814295).

47649705 is a wasteful number, since it uses less digits than its factorization.

47649705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9360.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 47649705 is about 6902.8765742986. The cubic root of 47649705 is about 362.5378921944.

The spelling of 47649705 in words is "forty-seven million, six hundred forty-nine thousand, seven hundred five".