30799742 has 8 divisors (see below), whose sum is σ = 46233336. Its totient is φ = 15388632.

The previous prime is 30799721. The next prime is 30799757. The reversal of 30799742 is 24799703.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30799742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628 + ... + 8015.

It is an arithmetic number, because the mean of its divisors is an integer number (5779167).

Almost surely, 2^30799742 is an apocalyptic number.

30799742 is a deficient number, since it is larger than the sum of its proper divisors (15433594).

30799742 is a wasteful number, since it uses less digits than its factorization.

30799742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11242.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 30799742 is about 5549.7515259694. The cubic root of 30799742 is about 313.4601661973.

It can be divided in two parts, 3079 and 9742, that added together give a palindrome (12821).

The spelling of 30799742 in words is "thirty million, seven hundred ninety-nine thousand, seven hundred forty-two".