30013776 has 60 divisors (see below), whose sum is σ = 90463828. Its totient is φ = 9234432.

The previous prime is 30013757. The next prime is 30013799. The reversal of 30013776 is 67731003.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 28515600 = 1224^2 + 5340^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6145 + ... + 9888.

Almost surely, 2^30013776 is an apocalyptic number.

30013776 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30013776 is an abundant number, since it is smaller than the sum of its proper divisors (60450052).

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

30013776 is a wasteful number, since it uses less digits than its factorization.

30013776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16060 (or 16051 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 30013776 is about 5478.4830017077. The cubic root of 30013776 is about 310.7708046894.

Adding to 30013776 its reverse (67731003), we get a palindrome (97744779).

The spelling of 30013776 in words is "thirty million, thirteen thousand, seven hundred seventy-six".