47645736 has 16 divisors (see below), whose sum is σ = 119114400. Its totient is φ = 15881904.

The previous prime is 47645707. The next prime is 47645737. The reversal of 47645736 is 63754674.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (47645737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992596 + ... + 992643.

It is an arithmetic number, because the mean of its divisors is an integer number (7444650).

Almost surely, 2^47645736 is an apocalyptic number.

It is an amenable number.

47645736 is an abundant number, since it is smaller than the sum of its proper divisors (71468664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47645736 is a wasteful number, since it uses less digits than its factorization.

47645736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985248 (or 1985244 counting only the distinct ones).

The product of its digits is 423360, while the sum is 42.

The square root of 47645736 is about 6902.5890794687. The cubic root of 47645736 is about 362.5278260051.

The spelling of 47645736 in words is "forty-seven million, six hundred forty-five thousand, seven hundred thirty-six".