30739629 has 16 divisors (see below), whose sum is σ = 42187392. Its totient is φ = 19900608.

The previous prime is 30739619. The next prime is 30739633. The reversal of 30739629 is 92693703.

It is not a de Polignac number, because 30739629 - 2⁴ = 30739613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30739609) 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 15 ways as a sum of consecutive naturals, for example, 15439 + ... + 17315.

It is an arithmetic number, because the mean of its divisors is an integer number (2636712).

Almost surely, 2^30739629 is an apocalyptic number.

It is an amenable number.

30739629 is a deficient number, since it is larger than the sum of its proper divisors (11447763).

30739629 is a wasteful number, since it uses less digits than its factorization.

30739629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 30739629 is about 5544.3330527666. Note that the first 3 decimals coincide. The cubic root of 30739629 is about 313.2561027654.

The spelling of 30739629 in words is "thirty million, seven hundred thirty-nine thousand, six hundred twenty-nine".