30948007 has 4 divisors (see below), whose sum is σ = 32768496. Its totient is φ = 29127520.

The previous prime is 30947981. The next prime is 30948011. The reversal of 30948007 is 70084903.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30948007 - 2⁷ = 30947879 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30948007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30948067) 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, 910219 + ... + 910252.

It is an arithmetic number, because the mean of its divisors is an integer number (8192124).

Almost surely, 2^30948007 is an apocalyptic number.

30948007 is a deficient number, since it is larger than the sum of its proper divisors (1820489).

30948007 is a wasteful number, since it uses less digits than its factorization.

30948007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820488.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 30948007 is about 5563.0932942024. The cubic root of 30948007 is about 313.9623435173.

The spelling of 30948007 in words is "thirty million, nine hundred forty-eight thousand, seven".