30749164 has 12 divisors (see below), whose sum is σ = 55666800. Its totient is φ = 14844368.

The previous prime is 30749143. The next prime is 30749189. The reversal of 30749164 is 46194703.

It is a happy number.

It is a super-2 number, since 2×30749164² = 1891022173397792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132424 + ... + 132655.

It is an arithmetic number, because the mean of its divisors is an integer number (4638900).

Almost surely, 2^30749164 is an apocalyptic number.

It is an amenable number.

30749164 is a deficient number, since it is larger than the sum of its proper divisors (24917636).

30749164 is a wasteful number, since it uses less digits than its factorization.

30749164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265112 (or 265110 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 30749164 is about 5545.1928731109. The cubic root of 30749164 is about 313.2884886276.

The spelling of 30749164 in words is "thirty million, seven hundred forty-nine thousand, one hundred sixty-four".