45346728 has 64 divisors (see below), whose sum is σ = 132341760. Its totient is φ = 12678336.

The previous prime is 45346709. The next prime is 45346753. The reversal of 45346728 is 82764354.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5025 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (2067840).

Almost surely, 2^45346728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45346728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66170880).

45346728 is an abundant number, since it is smaller than the sum of its proper divisors (86995032).

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

45346728 is a wasteful number, since it uses less digits than its factorization.

45346728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806 (or 5802 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 45346728 is about 6733.9979209976. The cubic root of 45346728 is about 356.6005308221.

The spelling of 45346728 in words is "forty-five million, three hundred forty-six thousand, seven hundred twenty-eight".