45732730 has 8 divisors (see below), whose sum is σ = 82318932. Its totient is φ = 18293088.

The previous prime is 45732707. The next prime is 45732749. The reversal of 45732730 is 3723754.

It can be written as a sum of positive squares in 2 ways, for example, as 45711121 + 21609 = 6761^2 + 147^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 45732692 and 45732701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286627 + ... + 2286646.

Almost surely, 2^45732730 is an apocalyptic number.

45732730 is a deficient number, since it is larger than the sum of its proper divisors (36586202).

45732730 is a wasteful number, since it uses less digits than its factorization.

45732730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573280.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 45732730 is about 6762.5978735986. The cubic root of 45732730 is about 357.6094958583.

The spelling of 45732730 in words is "forty-five million, seven hundred thirty-two thousand, seven hundred thirty".