30795690 has 32 divisors (see below), whose sum is σ = 74056320. Its totient is φ = 8195904.

The previous prime is 30795683. The next prime is 30795719. The reversal of 30795690 is 9659703.

It is a super-2 number, since 2×30795690² = 1896749045152200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27012 + ... + 28128.

It is an arithmetic number, because the mean of its divisors is an integer number (2314260).

Almost surely, 2^30795690 is an apocalyptic number.

30795690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30795690 is an abundant number, since it is smaller than the sum of its proper divisors (43260630).

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

30795690 is a wasteful number, since it uses less digits than its factorization.

30795690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 30795690 is about 5549.3864525729. The cubic root of 30795690 is about 313.4464193690.

The spelling of 30795690 in words is "thirty million, seven hundred ninety-five thousand, six hundred ninety".