30670044 has 12 divisors (see below), whose sum is σ = 71563464. Its totient is φ = 10223344.

The previous prime is 30670043. The next prime is 30670049. The reversal of 30670044 is 44007603.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30669996 and 30670023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30670043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277907 + ... + 1277930.

It is an arithmetic number, because the mean of its divisors is an integer number (5963622).

Almost surely, 2^30670044 is an apocalyptic number.

It is an amenable number.

30670044 is an abundant number, since it is smaller than the sum of its proper divisors (40893420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30670044 is a wasteful number, since it uses less digits than its factorization.

30670044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555844 (or 2555842 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 30670044 is about 5538.0541709160. The cubic root of 30670044 is about 313.0195525830.

Adding to 30670044 its reverse (44007603), we get a palindrome (74677647).

The spelling of 30670044 in words is "thirty million, six hundred seventy thousand, forty-four".