30672929 has 4 divisors (see below), whose sum is σ = 35054784. Its totient is φ = 26291076.

The previous prime is 30672893. The next prime is 30672931. The reversal of 30672929 is 92927603.

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 not a de Polignac number, because 30672929 - 2⁸ = 30672673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30672892 and 30672901.

It is not an unprimeable number, because it can be changed into a prime (30672959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190917 + ... + 2190930.

It is an arithmetic number, because the mean of its divisors is an integer number (8763696).

Almost surely, 2^30672929 is an apocalyptic number.

It is an amenable number.

30672929 is a deficient number, since it is larger than the sum of its proper divisors (4381855).

30672929 is an equidigital number, since it uses as much as digits as its factorization.

30672929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381854.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 30672929 is about 5538.3146353381. The cubic root of 30672929 is about 313.0293670792.

The spelling of 30672929 in words is "thirty million, six hundred seventy-two thousand, nine hundred twenty-nine".