47647064 has 8 divisors (see below), whose sum is σ = 89338260. Its totient is φ = 23823528.

The previous prime is 47647057. The next prime is 47647069. The reversal of 47647064 is 46074674.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47647069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2977934 + ... + 2977949.

Almost surely, 2^47647064 is an apocalyptic number.

It is an amenable number.

47647064 is a deficient number, since it is larger than the sum of its proper divisors (41691196).

47647064 is a wasteful number, since it uses less digits than its factorization.

47647064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955889 (or 5955885 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 47647064 is about 6902.6852745870. The cubic root of 47647064 is about 362.5311941448.

The spelling of 47647064 in words is "forty-seven million, six hundred forty-seven thousand, sixty-four".