30675717 has 6 divisors (see below), whose sum is σ = 44309382. Its totient is φ = 20450472.

The previous prime is 30675713. The next prime is 30675731. The reversal of 30675717 is 71757603.

It can be written as a sum of positive squares in only one way, i.e., 24295041 + 6380676 = 4929^2 + 2526^2 .

It is not a de Polignac number, because 30675717 - 2² = 30675713 is a prime.

It is a super-2 number, since 2×30675717² = 1881999226928178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30675713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1704198 + ... + 1704215.

It is an arithmetic number, because the mean of its divisors is an integer number (7384897).

Almost surely, 2^30675717 is an apocalyptic number.

It is an amenable number.

30675717 is a deficient number, since it is larger than the sum of its proper divisors (13633665).

30675717 is a wasteful number, since it uses less digits than its factorization.

30675717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408419 (or 3408416 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 30675717 is about 5538.5663307394. The cubic root of 30675717 is about 313.0388510060.

The spelling of 30675717 in words is "thirty million, six hundred seventy-five thousand, seven hundred seventeen".