47561737 has 4 divisors (see below), whose sum is σ = 47864836. Its totient is φ = 47258640.

The previous prime is 47561707. The next prime is 47561743. The reversal of 47561737 is 73716574.

47561737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35093776 + 12467961 = 5924^2 + 3531^2 .

It is a cyclic number.

It is not a de Polignac number, because 47561737 - 2⁷ = 47561609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47561737.

It is not an unprimeable number, because it can be changed into a prime (47561707) 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 3 ways as a sum of consecutive naturals, for example, 151314 + ... + 151627.

It is an arithmetic number, because the mean of its divisors is an integer number (11966209).

Almost surely, 2^47561737 is an apocalyptic number.

It is an amenable number.

47561737 is a deficient number, since it is larger than the sum of its proper divisors (303099).

47561737 is a wasteful number, since it uses less digits than its factorization.

47561737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303098.

The product of its digits is 123480, while the sum is 40.

The square root of 47561737 is about 6896.5017943882. The cubic root of 47561737 is about 362.3146562619.

The spelling of 47561737 in words is "forty-seven million, five hundred sixty-one thousand, seven hundred thirty-seven".