30117460 has 12 divisors (see below), whose sum is σ = 63246708. Its totient is φ = 12046976.

The previous prime is 30117443. The next prime is 30117473. The reversal of 30117460 is 6471103.

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 26687556 = 1852^2 + 5166^2 .

It is a super-2 number, since 2×30117460² = 1814122793703200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 752917 + ... + 752956.

It is an arithmetic number, because the mean of its divisors is an integer number (5270559).

Almost surely, 2^30117460 is an apocalyptic number.

It is an amenable number.

30117460 is an abundant number, since it is smaller than the sum of its proper divisors (33129248).

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

30117460 is a wasteful number, since it uses less digits than its factorization.

30117460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505882 (or 1505880 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 30117460 is about 5487.9376818619. The cubic root of 30117460 is about 311.1282508509.

Adding to 30117460 its reverse (6471103), we get a palindrome (36588563).

The spelling of 30117460 in words is "thirty million, one hundred seventeen thousand, four hundred sixty".