30756242 has 8 divisors (see below), whose sum is σ = 50328432. Its totient is φ = 13980100.

The previous prime is 30756239. The next prime is 30756263. The reversal of 30756242 is 24265703.

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

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 3 ways as a sum of consecutive naturals, for example, 698984 + ... + 699027.

It is an arithmetic number, because the mean of its divisors is an integer number (6291054).

Almost surely, 2^30756242 is an apocalyptic number.

30756242 is a deficient number, since it is larger than the sum of its proper divisors (19572190).

30756242 is a wasteful number, since it uses less digits than its factorization.

30756242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398024.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 30756242 is about 5545.8310468315. The cubic root of 30756242 is about 313.3125248995.

The spelling of 30756242 in words is "thirty million, seven hundred fifty-six thousand, two hundred forty-two".