45732728 has 8 divisors (see below), whose sum is σ = 85748880. Its totient is φ = 22866360.

The previous prime is 45732707. The next prime is 45732749. The reversal of 45732728 is 82723754.

It is an interprime number because it is at equal distance from previous prime (45732707) and next prime (45732749).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 45732691 and 45732700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2858288 + ... + 2858303.

It is an arithmetic number, because the mean of its divisors is an integer number (10718610).

Almost surely, 2^45732728 is an apocalyptic number.

It is an amenable number.

45732728 is a deficient number, since it is larger than the sum of its proper divisors (40016152).

45732728 is a wasteful number, since it uses less digits than its factorization.

45732728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716597 (or 5716593 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 45732728 is about 6762.5977257264. The cubic root of 45732728 is about 357.6094906453.

The spelling of 45732728 in words is "forty-five million, seven hundred thirty-two thousand, seven hundred twenty-eight".