30329057 has 4 divisors (see below), whose sum is σ = 33086256. Its totient is φ = 27571860.

The previous prime is 30329051. The next prime is 30329059. The reversal of 30329057 is 75092303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30329057 - 2¹² = 30324961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30329051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378583 + ... + 1378604.

It is an arithmetic number, because the mean of its divisors is an integer number (8271564).

Almost surely, 2^30329057 is an apocalyptic number.

It is an amenable number.

30329057 is a deficient number, since it is larger than the sum of its proper divisors (2757199).

30329057 is a wasteful number, since it uses less digits than its factorization.

30329057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757198.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 30329057 is about 5507.1823104016. The cubic root of 30329057 is about 311.8551849585.

The spelling of 30329057 in words is "thirty million, three hundred twenty-nine thousand, fifty-seven".