30032042 has 4 divisors (see below), whose sum is σ = 45048066. Its totient is φ = 15016020.

The previous prime is 30032039. The next prime is 30032053. The reversal of 30032042 is 24023003.

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

It can be written as a sum of positive squares in only one way, i.e., 29800681 + 231361 = 5459^2 + 481^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7508009 + ... + 7508012.

Almost surely, 2^30032042 is an apocalyptic number.

30032042 is a deficient number, since it is larger than the sum of its proper divisors (15016024).

30032042 is a wasteful number, since it uses less digits than its factorization.

30032042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15016023.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30032042 is about 5480.1498154704. The cubic root of 30032042 is about 310.8338356162.

Adding to 30032042 its reverse (24023003), we get a palindrome (54055045).

The spelling of 30032042 in words is "thirty million, thirty-two thousand, forty-two", and thus it is an eban number.