30742126 has 16 divisors (see below), whose sum is σ = 46741968. Its totient is φ = 15163200.

The previous prime is 30742123. The next prime is 30742141. The reversal of 30742126 is 62124703.

It is a self number, because there is not a number n which added to its sum of digits gives 30742126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30742123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58746 + ... + 59266.

It is an arithmetic number, because the mean of its divisors is an integer number (2921373).

Almost surely, 2^30742126 is an apocalyptic number.

30742126 is a deficient number, since it is larger than the sum of its proper divisors (15999842).

30742126 is a wasteful number, since it uses less digits than its factorization.

30742126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 30742126 is about 5544.5582330786. The cubic root of 30742126 is about 313.2645845346.

Adding to 30742126 its reverse (62124703), we get a palindrome (92866829).

The spelling of 30742126 in words is "thirty million, seven hundred forty-two thousand, one hundred twenty-six".