30642117 has 16 divisors (see below), whose sum is σ = 46917120. Its totient is φ = 17593200.

The previous prime is 30642113. The next prime is 30642119. The reversal of 30642117 is 71124603.

It is not a de Polignac number, because 30642117 - 2² = 30642113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30642113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23809 + ... + 25062.

It is an arithmetic number, because the mean of its divisors is an integer number (2932320).

Almost surely, 2^30642117 is an apocalyptic number.

It is an amenable number.

30642117 is a deficient number, since it is larger than the sum of its proper divisors (16275003).

30642117 is a wasteful number, since it uses less digits than its factorization.

30642117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48904.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 30642117 is about 5535.5322237342. The cubic root of 30642117 is about 312.9245157486.

The spelling of 30642117 in words is "thirty million, six hundred forty-two thousand, one hundred seventeen".