47493664 has 12 divisors (see below), whose sum is σ = 93503214. Its totient is φ = 23746816.

The previous prime is 47493647. The next prime is 47493683. The reversal of 47493664 is 46639474.

It can be written as a sum of positive squares in only one way, i.e., 44997264 + 2496400 = 6708^2 + 1580^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47493664.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742057 + ... + 742120.

Almost surely, 2^47493664 is an apocalyptic number.

It is an amenable number.

47493664 is a deficient number, since it is larger than the sum of its proper divisors (46009550).

47493664 is a wasteful number, since it uses less digits than its factorization.

47493664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484187 (or 1484179 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 47493664 is about 6891.5646989635. The cubic root of 47493664 is about 362.1417187756.

The spelling of 47493664 in words is "forty-seven million, four hundred ninety-three thousand, six hundred sixty-four".