58728816 has 60 divisors (see below), whose sum is σ = 165010768. Its totient is φ = 19498752.

The previous prime is 58728779. The next prime is 58728827. The reversal of 58728816 is 61882785.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44421 + ... + 45723.

Almost surely, 2^58728816 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 58728816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82505384).

58728816 is an abundant number, since it is smaller than the sum of its proper divisors (106281952).

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

58728816 is a wasteful number, since it uses less digits than its factorization.

58728816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1621 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 58728816 is about 7663.4728419953. The cubic root of 58728816 is about 388.7022743767.

It can be divided in two parts, 587 and 28816, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 58728816 in words is "fifty-eight million, seven hundred twenty-eight thousand, eight hundred sixteen".