30042507 has 16 divisors (see below), whose sum is σ = 43994880. Its totient is φ = 18084000.

The previous prime is 30042499. The next prime is 30042527. The reversal of 30042507 is 70524003.

It is a happy number.

It is not a de Polignac number, because 30042507 - 2³ = 30042499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30042527) 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 15 ways as a sum of consecutive naturals, for example, 1969 + ... + 7997.

It is an arithmetic number, because the mean of its divisors is an integer number (2749680).

Almost surely, 2^30042507 is an apocalyptic number.

30042507 is a deficient number, since it is larger than the sum of its proper divisors (13952373).

30042507 is a wasteful number, since it uses less digits than its factorization.

30042507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 30042507 is about 5481.1045419696. The cubic root of 30042507 is about 310.8699359290.

The spelling of 30042507 in words is "thirty million, forty-two thousand, five hundred seven".