47700644 has 6 divisors (see below), whose sum is σ = 83476134. Its totient is φ = 23850320.

The previous prime is 47700619. The next prime is 47700647. The reversal of 47700644 is 44600774.

It can be written as a sum of positive squares in only one way, i.e., 34668544 + 13032100 = 5888^2 + 3610^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47700644.

It is not an unprimeable number, because it can be changed into a prime (47700647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5962577 + ... + 5962584.

It is an arithmetic number, because the mean of its divisors is an integer number (13912689).

Almost surely, 2^47700644 is an apocalyptic number.

It is an amenable number.

47700644 is a deficient number, since it is larger than the sum of its proper divisors (35775490).

47700644 is a wasteful number, since it uses less digits than its factorization.

47700644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11925165 (or 11925163 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 47700644 is about 6906.5652823962. The cubic root of 47700644 is about 362.6670342383.

The spelling of 47700644 in words is "forty-seven million, seven hundred thousand, six hundred forty-four".