45975729 has 16 divisors (see below), whose sum is σ = 64069632. Its totient is φ = 29296848.

The previous prime is 45975679. The next prime is 45975733. The reversal of 45975729 is 92757954.

45975729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45975729 - 2¹² = 45971633 is a prime.

It is a super-2 number, since 2×45975729² = 4227535314162882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45975749) 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 15 ways as a sum of consecutive naturals, for example, 2272 + ... + 9854.

It is an arithmetic number, because the mean of its divisors is an integer number (4004352).

Almost surely, 2^45975729 is an apocalyptic number.

It is an amenable number.

45975729 is a deficient number, since it is larger than the sum of its proper divisors (18093903).

45975729 is a wasteful number, since it uses less digits than its factorization.

45975729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676.

The product of its digits is 793800, while the sum is 48.

The square root of 45975729 is about 6780.5404651842. The cubic root of 45975729 is about 358.2417585115.

The spelling of 45975729 in words is "forty-five million, nine hundred seventy-five thousand, seven hundred twenty-nine".