30680495 has 8 divisors (see below), whose sum is σ = 38982384. Its totient is φ = 23100544.

The previous prime is 30680491. The next prime is 30680501. The reversal of 30680495 is 59408603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30680495 - 2² = 30680491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30680491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180389 + ... + 180558.

It is an arithmetic number, because the mean of its divisors is an integer number (4872798).

Almost surely, 2^30680495 is an apocalyptic number.

30680495 is a deficient number, since it is larger than the sum of its proper divisors (8301889).

30680495 is a wasteful number, since it uses less digits than its factorization.

30680495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360969.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 30680495 is about 5538.9976530055. The cubic root of 30680495 is about 313.0551029704.

The spelling of 30680495 in words is "thirty million, six hundred eighty thousand, four hundred ninety-five".