30949075 has 6 divisors (see below), whose sum is σ = 38376884. Its totient is φ = 24759240.

The previous prime is 30949073. The next prime is 30949091. The reversal of 30949075 is 57094903.

It is not a de Polignac number, because 30949075 - 2¹ = 30949073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30949073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618957 + ... + 619006.

Almost surely, 2^30949075 is an apocalyptic number.

30949075 is a deficient number, since it is larger than the sum of its proper divisors (7427809).

30949075 is a wasteful number, since it uses less digits than its factorization.

30949075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237973 (or 1237968 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 30949075 is about 5563.1892831361. The cubic root of 30949075 is about 313.9659550361.

The spelling of 30949075 in words is "thirty million, nine hundred forty-nine thousand, seventy-five".