47645368 has 8 divisors (see below), whose sum is σ = 89335080. Its totient is φ = 23822680.

The previous prime is 47645363. The next prime is 47645387. The reversal of 47645368 is 86354674.

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 (47645363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2977828 + ... + 2977843.

It is an arithmetic number, because the mean of its divisors is an integer number (11166885).

Almost surely, 2^47645368 is an apocalyptic number.

It is an amenable number.

47645368 is a deficient number, since it is larger than the sum of its proper divisors (41689712).

47645368 is a wasteful number, since it uses less digits than its factorization.

47645368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955677 (or 5955673 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 47645368 is about 6902.5624227529. The cubic root of 47645368 is about 362.5268926541.

The spelling of 47645368 in words is "forty-seven million, six hundred forty-five thousand, three hundred sixty-eight".