45538727 has 4 divisors (see below), whose sum is σ = 49041720. Its totient is φ = 42035736.

The previous prime is 45538709. The next prime is 45538739. The reversal of 45538727 is 72783554.

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

It is a cyclic number.

It is not a de Polignac number, because 45538727 - 2¹⁰ = 45537703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45538327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751477 + ... + 1751502.

It is an arithmetic number, because the mean of its divisors is an integer number (12260430).

Almost surely, 2^45538727 is an apocalyptic number.

45538727 is a deficient number, since it is larger than the sum of its proper divisors (3502993).

45538727 is a wasteful number, since it uses less digits than its factorization.

45538727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502992.

The product of its digits is 235200, while the sum is 41.

The square root of 45538727 is about 6748.2388072741. The cubic root of 45538727 is about 357.1031068978.

The spelling of 45538727 in words is "forty-five million, five hundred thirty-eight thousand, seven hundred twenty-seven".