47744064 has 42 divisors (see below), whose sum is σ = 136851390. Its totient is φ = 15914496.

The previous prime is 47744051. The next prime is 47744083. The reversal of 47744064 is 46044774.

It can be written as a sum of positive squares in only one way, i.e., 45158400 + 2585664 = 6720^2 + 1608^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40869 + ... + 42020.

Almost surely, 2^47744064 is an apocalyptic number.

It is an amenable number.

47744064 is an abundant number, since it is smaller than the sum of its proper divisors (89107326).

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

47744064 is a wasteful number, since it uses less digits than its factorization.

47744064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82907 (or 82894 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 47744064 is about 6909.7079533074. The cubic root of 47744064 is about 362.7770413281. Note that the first 3 decimals are identical.

The spelling of 47744064 in words is "forty-seven million, seven hundred forty-four thousand, sixty-four".