45506730 has 32 divisors (see below), whose sum is σ = 109641600. Its totient is φ = 12087872.

The previous prime is 45506717. The next prime is 45506731. The reversal of 45506730 is 3760554.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (45506731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5251 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (3426300).

Almost surely, 2^45506730 is an apocalyptic number.

45506730 is an abundant number, since it is smaller than the sum of its proper divisors (64134870).

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

45506730 is a wasteful number, since it uses less digits than its factorization.

45506730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 45506730 is about 6745.8676239606. The cubic root of 45506730 is about 357.0194498579.

The spelling of 45506730 in words is "forty-five million, five hundred six thousand, seven hundred thirty".