45890724 has 48 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 13835040.

The previous prime is 45890687. The next prime is 45890729. The reversal of 45890724 is 42709854.

45890724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45890729) 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 15 ways as a sum of consecutive naturals, for example, 28657 + ... + 30215.

It is an arithmetic number, because the mean of its divisors is an integer number (2446080).

Almost surely, 2^45890724 is an apocalyptic number.

45890724 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45890724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58705920).

45890724 is an abundant number, since it is smaller than the sum of its proper divisors (71521116).

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

45890724 is a wasteful number, since it uses less digits than its factorization.

45890724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 45890724 is about 6774.2692594847. The cubic root of 45890724 is about 358.0208366720.

The spelling of 45890724 in words is "forty-five million, eight hundred ninety thousand, seven hundred twenty-four".