30799660 has 12 divisors (see below), whose sum is σ = 64679328. Its totient is φ = 12319856.

The previous prime is 30799591. The next prime is 30799661. The reversal of 30799660 is 6699703.

It is a super-2 number, since 2×30799660² = 1897238112231200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30799661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769972 + ... + 770011.

It is an arithmetic number, because the mean of its divisors is an integer number (5389944).

Almost surely, 2^30799660 is an apocalyptic number.

It is an amenable number.

30799660 is an abundant number, since it is smaller than the sum of its proper divisors (33879668).

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

30799660 is a wasteful number, since it uses less digits than its factorization.

30799660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539992 (or 1539990 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 30799660 is about 5549.7441382464. The cubic root of 30799660 is about 313.4598880158.

The spelling of 30799660 in words is "thirty million, seven hundred ninety-nine thousand, six hundred sixty".