47561740 has 24 divisors (see below), whose sum is σ = 103325040. Its totient is φ = 18368448.

The previous prime is 47561707. The next prime is 47561743. The reversal of 47561740 is 4716574.

It is a happy number.

47561740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47561740² = 4524238223655200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47561696 and 47561705.

It is not an unprimeable number, because it can be changed into a prime (47561743) 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 7 ways as a sum of consecutive naturals, for example, 40422 + ... + 41581.

It is an arithmetic number, because the mean of its divisors is an integer number (4305210).

Almost surely, 2^47561740 is an apocalyptic number.

It is an amenable number.

47561740 is an abundant number, since it is smaller than the sum of its proper divisors (55763300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47561740 is a wasteful number, since it uses less digits than its factorization.

47561740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82041 (or 82039 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 47561740 is about 6896.5020118898. The cubic root of 47561740 is about 362.3146638797.

The spelling of 47561740 in words is "forty-seven million, five hundred sixty-one thousand, seven hundred forty".