45071727 has 4 divisors (see below), whose sum is σ = 60095640. Its totient is φ = 30047816.

The previous prime is 45071707. The next prime is 45071749. The reversal of 45071727 is 72717054.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45071727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45071707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7511952 + ... + 7511957.

It is an arithmetic number, because the mean of its divisors is an integer number (15023910).

Almost surely, 2^45071727 is an apocalyptic number.

45071727 is a deficient number, since it is larger than the sum of its proper divisors (15023913).

45071727 is a wasteful number, since it uses less digits than its factorization.

45071727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15023912.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 45071727 is about 6713.5480187454. The cubic root of 45071727 is about 355.8782118231.

The spelling of 45071727 in words is "forty-five million, seventy-one thousand, seven hundred twenty-seven".