30007949 has 4 divisors (see below), whose sum is σ = 30646464. Its totient is φ = 29369436.

The previous prime is 30007933. The next prime is 30007951. The reversal of 30007949 is 94970003.

It is a happy number.

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 30007949 - 2⁴ = 30007933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30007909) 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, 319187 + ... + 319280.

It is an arithmetic number, because the mean of its divisors is an integer number (7661616).

Almost surely, 2^30007949 is an apocalyptic number.

It is an amenable number.

30007949 is a deficient number, since it is larger than the sum of its proper divisors (638515).

30007949 is an equidigital number, since it uses as much as digits as its factorization.

30007949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638514.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 30007949 is about 5477.9511680920. The cubic root of 30007949 is about 310.7506919398.

The spelling of 30007949 in words is "thirty million, seven thousand, nine hundred forty-nine".