30458012 has 24 divisors (see below), whose sum is σ = 58101456. Its totient is φ = 13886208.

The previous prime is 30458011. The next prime is 30458023. The reversal of 30458012 is 21085403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30458011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788 + ... + 7844.

It is an arithmetic number, because the mean of its divisors is an integer number (2420894).

Almost surely, 2^30458012 is an apocalyptic number.

It is an amenable number.

30458012 is a deficient number, since it is larger than the sum of its proper divisors (27643444).

30458012 is a wasteful number, since it uses less digits than its factorization.

30458012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157 (or 7155 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 30458012 is about 5518.8777844776. The cubic root of 30458012 is about 312.2965485327.

The spelling of 30458012 in words is "thirty million, four hundred fifty-eight thousand, twelve".