47764768 has 12 divisors (see below), whose sum is σ = 94036950. Its totient is φ = 23882368.

The previous prime is 47764763. The next prime is 47764771. The reversal of 47764768 is 86746774.

It can be written as a sum of positive squares in only one way, i.e., 37601424 + 10163344 = 6132^2 + 3188^2 .

It is not an unprimeable number, because it can be changed into a prime (47764763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746293 + ... + 746356.

Almost surely, 2^47764768 is an apocalyptic number.

It is an amenable number.

47764768 is a deficient number, since it is larger than the sum of its proper divisors (46272182).

47764768 is a wasteful number, since it uses less digits than its factorization.

47764768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492659 (or 1492651 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 49.

The square root of 47764768 is about 6911.2059729110. The cubic root of 47764768 is about 362.8294726309.

The spelling of 47764768 in words is "forty-seven million, seven hundred sixty-four thousand, seven hundred sixty-eight".