45530729 has 8 divisors (see below), whose sum is σ = 46224192. Its totient is φ = 44840880.

The previous prime is 45530689. The next prime is 45530741. The reversal of 45530729 is 92703554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45530729 - 2²⁰ = 44482153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45530759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34292 + ... + 35594.

It is an arithmetic number, because the mean of its divisors is an integer number (5778024).

Almost surely, 2^45530729 is an apocalyptic number.

It is an amenable number.

45530729 is a deficient number, since it is larger than the sum of its proper divisors (693463).

45530729 is a wasteful number, since it uses less digits than its factorization.

45530729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 45530729 is about 6747.6461821883. The cubic root of 45530729 is about 357.0821995803.

The spelling of 45530729 in words is "forty-five million, five hundred thirty thousand, seven hundred twenty-nine".