30074642 has 16 divisors (see below), whose sum is σ = 49617792. Its totient is φ = 13584720.

The previous prime is 30074623. The next prime is 30074657. The reversal of 30074642 is 24647003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 11084 + ... + 13527.

It is an arithmetic number, because the mean of its divisors is an integer number (3101112).

Almost surely, 2^30074642 is an apocalyptic number.

30074642 is a deficient number, since it is larger than the sum of its proper divisors (19543150).

30074642 is a wasteful number, since it uses less digits than its factorization.

30074642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24673.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 30074642 is about 5484.0351931766. The cubic root of 30074642 is about 310.9807372195.

The spelling of 30074642 in words is "thirty million, seventy-four thousand, six hundred forty-two".