30134072 has 8 divisors (see below), whose sum is σ = 56501400. Its totient is φ = 15067032.

The previous prime is 30134059. The next prime is 30134087. The reversal of 30134072 is 27043103.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1883372 + ... + 1883387.

It is an arithmetic number, because the mean of its divisors is an integer number (7062675).

Almost surely, 2^30134072 is an apocalyptic number.

It is an amenable number.

30134072 is a deficient number, since it is larger than the sum of its proper divisors (26367328).

30134072 is a wasteful number, since it uses less digits than its factorization.

30134072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766765 (or 3766761 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30134072 is about 5489.4509743689. The cubic root of 30134072 is about 311.1854437276.

Adding to 30134072 its reverse (27043103), we get a palindrome (57177175).

The spelling of 30134072 in words is "thirty million, one hundred thirty-four thousand, seventy-two".