47506761 has 6 divisors (see below), whose sum is σ = 68620890. Its totient is φ = 31671168.

The previous prime is 47506759. The next prime is 47506777. The reversal of 47506761 is 16760574.

47506761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 45643536 + 1863225 = 6756^2 + 1365^2 .

It is not a de Polignac number, because 47506761 - 2¹ = 47506759 is a prime.

It is a super-2 number, since 2×47506761² = 4513784681422242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47506751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2639256 + ... + 2639273.

It is an arithmetic number, because the mean of its divisors is an integer number (11436815).

Almost surely, 2^47506761 is an apocalyptic number.

It is an amenable number.

47506761 is a deficient number, since it is larger than the sum of its proper divisors (21114129).

47506761 is a wasteful number, since it uses less digits than its factorization.

47506761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278535 (or 5278532 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 47506761 is about 6892.5148530852. The cubic root of 47506761 is about 362.1750041572.

It can be divided in two parts, 4750 and 6761, that added together give a palindrome (11511).

The spelling of 47506761 in words is "forty-seven million, five hundred six thousand, seven hundred sixty-one".