30641368 has 32 divisors (see below), whose sum is σ = 59097600. Its totient is φ = 14887072.

The previous prime is 30641353. The next prime is 30641381. The reversal of 30641368 is 86314603.

It is a super-2 number, since 2×30641368² = 1877786865822848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85173 + ... + 85531.

It is an arithmetic number, because the mean of its divisors is an integer number (1846800).

Almost surely, 2^30641368 is an apocalyptic number.

It is an amenable number.

30641368 is a deficient number, since it is larger than the sum of its proper divisors (28456232).

30641368 is a wasteful number, since it uses less digits than its factorization.

30641368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 30641368 is about 5535.4645694829. The cubic root of 30641368 is about 312.9219660730.

The spelling of 30641368 in words is "thirty million, six hundred forty-one thousand, three hundred sixty-eight".