47304644 has 12 divisors (see below), whose sum is σ = 84708624. Its totient is φ = 23102184.

The previous prime is 47304643. The next prime is 47304671. The reversal of 47304644 is 44640374.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47304644.

It is not an unprimeable number, because it can be changed into a prime (47304643) 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, 137342 + ... + 137685.

It is an arithmetic number, because the mean of its divisors is an integer number (7059052).

Almost surely, 2^47304644 is an apocalyptic number.

It is an amenable number.

47304644 is a deficient number, since it is larger than the sum of its proper divisors (37403980).

47304644 is a wasteful number, since it uses less digits than its factorization.

47304644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275074 (or 275072 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 47304644 is about 6877.8371600380. The cubic root of 47304644 is about 361.6606508186.

The spelling of 47304644 in words is "forty-seven million, three hundred four thousand, six hundred forty-four".