30777056 has 12 divisors (see below), whose sum is σ = 60592392. Its totient is φ = 15388512.

The previous prime is 30777041. The next prime is 30777067. The reversal of 30777056 is 65077703.

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, 480860 + ... + 480923.

It is an arithmetic number, because the mean of its divisors is an integer number (5049366).

Almost surely, 2^30777056 is an apocalyptic number.

It is an amenable number.

30777056 is a deficient number, since it is larger than the sum of its proper divisors (29815336).

30777056 is an equidigital number, since it uses as much as digits as its factorization.

30777056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961793 (or 961785 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 30777056 is about 5547.7072741809. The cubic root of 30777056 is about 313.3831860721.

The spelling of 30777056 in words is "thirty million, seven hundred seventy-seven thousand, fifty-six".