45530730 has 48 divisors (see below), whose sum is σ = 135293184. Its totient is φ = 10406880.

The previous prime is 45530689. The next prime is 45530741. The reversal of 45530730 is 3703554.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45530694 and 45530703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35506 + ... + 36765.

It is an arithmetic number, because the mean of its divisors is an integer number (2818608).

Almost surely, 2^45530730 is an apocalyptic number.

45530730 is an abundant number, since it is smaller than the sum of its proper divisors (89762454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45530730 is a wasteful number, since it uses less digits than its factorization.

45530730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72291 (or 72288 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 45530730 is about 6747.6462562882. The cubic root of 45530730 is about 357.0822021946.

The spelling of 45530730 in words is "forty-five million, five hundred thirty thousand, seven hundred thirty".