30759042 has 16 divisors (see below), whose sum is σ = 61748352. Its totient is φ = 10214640.

The previous prime is 30759031. The next prime is 30759049. The reversal of 30759042 is 24095703.

It is a super-2 number, since 2×30759042² = 1892237329515528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30759049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7833 + ... + 11084.

It is an arithmetic number, because the mean of its divisors is an integer number (3859272).

Almost surely, 2^30759042 is an apocalyptic number.

30759042 is an abundant number, since it is smaller than the sum of its proper divisors (30989310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30759042 is a wasteful number, since it uses less digits than its factorization.

30759042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19193.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 30759042 is about 5546.0834829635. The cubic root of 30759042 is about 313.3220324378.

The spelling of 30759042 in words is "thirty million, seven hundred fifty-nine thousand, forty-two".