30077320 has 64 divisors (see below), whose sum is σ = 83301120. Its totient is φ = 9517824.

The previous prime is 30077303. The next prime is 30077371. The reversal of 30077320 is 2377003.

It is a junction number, because it is equal to n+sod(n) for n = 30077291 and 30077300.

It is a congruent 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, 492 + ... + 7771.

It is an arithmetic number, because the mean of its divisors is an integer number (1301580).

Almost surely, 2^30077320 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 30077320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41650560).

30077320 is an abundant number, since it is smaller than the sum of its proper divisors (53223800).

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

30077320 is a wasteful number, since it uses less digits than its factorization.

30077320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8294 (or 8290 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 22.

The square root of 30077320 is about 5484.2793510178. The cubic root of 30077320 is about 310.9899673842.

The spelling of 30077320 in words is "thirty million, seventy-seven thousand, three hundred twenty".