30070742 has 8 divisors (see below), whose sum is σ = 48575856. Its totient is φ = 13878792.

The previous prime is 30070727. The next prime is 30070771. The reversal of 30070742 is 24707003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578258 + ... + 578309.

It is an arithmetic number, because the mean of its divisors is an integer number (6071982).

Almost surely, 2^30070742 is an apocalyptic number.

30070742 is a deficient number, since it is larger than the sum of its proper divisors (18505114).

30070742 is a wasteful number, since it uses less digits than its factorization.

30070742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156582.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 30070742 is about 5483.6796040615. The cubic root of 30070742 is about 310.9672942520.

Adding to 30070742 its reverse (24707003), we get a palindrome (54777745).

The spelling of 30070742 in words is "thirty million, seventy thousand, seven hundred forty-two".