45727889 has 4 divisors (see below), whose sum is σ = 48134640. Its totient is φ = 43321140.

The previous prime is 45727873. The next prime is 45727907. The reversal of 45727889 is 98872754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45727889 - 2⁴ = 45727873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45727859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203347 + ... + 1203384.

It is an arithmetic number, because the mean of its divisors is an integer number (12033660).

Almost surely, 2^45727889 is an apocalyptic number.

It is an amenable number.

45727889 is a deficient number, since it is larger than the sum of its proper divisors (2406751).

45727889 is a wasteful number, since it uses less digits than its factorization.

45727889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406750.

The product of its digits is 1128960, while the sum is 50.

The square root of 45727889 is about 6762.2399395467. The cubic root of 45727889 is about 357.5968772614.

The spelling of 45727889 in words is "forty-five million, seven hundred twenty-seven thousand, eight hundred eighty-nine".