30719134 has 4 divisors (see below), whose sum is σ = 46078704. Its totient is φ = 15359566.

The previous prime is 30719111. The next prime is 30719147. The reversal of 30719134 is 43191703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43191703 = 1123 ⋅38461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7679782 + ... + 7679785.

It is an arithmetic number, because the mean of its divisors is an integer number (11519676).

Almost surely, 2^30719134 is an apocalyptic number.

30719134 is a deficient number, since it is larger than the sum of its proper divisors (15359570).

30719134 is a wasteful number, since it uses less digits than its factorization.

30719134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15359569.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 30719134 is about 5542.4844609615. The cubic root of 30719134 is about 313.1864683185.

The spelling of 30719134 in words is "thirty million, seven hundred nineteen thousand, one hundred thirty-four".