45632730 has 96 divisors (see below), whose sum is σ = 129773952. Its totient is φ = 10200960.

The previous prime is 45632711. The next prime is 45632731. The reversal of 45632730 is 3723654.

45632730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (45632731) 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 47 ways as a sum of consecutive naturals, for example, 46707 + ... + 47673.

It is an arithmetic number, because the mean of its divisors is an integer number (1351812).

Almost surely, 2^45632730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45632730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64886976).

45632730 is an abundant number, since it is smaller than the sum of its proper divisors (84141222).

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

45632730 is a wasteful number, since it uses less digits than its factorization.

45632730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 45632730 is about 6755.2002190905. The cubic root of 45632730 is about 357.3486538860.

The spelling of 45632730 in words is "forty-five million, six hundred thirty-two thousand, seven hundred thirty".