47752766 has 4 divisors (see below), whose sum is σ = 71629152. Its totient is φ = 23876382.

The previous prime is 47752759. The next prime is 47752769. The reversal of 47752766 is 66725774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66725774 = 2 ⋅33362887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47752769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11938190 + ... + 11938193.

It is an arithmetic number, because the mean of its divisors is an integer number (17907288).

Almost surely, 2^47752766 is an apocalyptic number.

47752766 is a deficient number, since it is larger than the sum of its proper divisors (23876386).

47752766 is a wasteful number, since it uses less digits than its factorization.

47752766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23876385.

The product of its digits is 493920, while the sum is 44.

The square root of 47752766 is about 6910.3376183802. The cubic root of 47752766 is about 362.7990803264.

The spelling of 47752766 in words is "forty-seven million, seven hundred fifty-two thousand, seven hundred sixty-six".