30070749 has 8 divisors (see below), whose sum is σ = 42204640. Its totient is φ = 18992016.

The previous prime is 30070727. The next prime is 30070771. The reversal of 30070749 is 94707003.

It is an interprime number because it is at equal distance from previous prime (30070727) and next prime (30070771).

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

It is not a de Polignac number, because 30070749 - 2⁹ = 30070237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30070049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263722 + ... + 263835.

It is an arithmetic number, because the mean of its divisors is an integer number (5275580).

Almost surely, 2^30070749 is an apocalyptic number.

It is an amenable number.

30070749 is a deficient number, since it is larger than the sum of its proper divisors (12133891).

30070749 is a wasteful number, since it uses less digits than its factorization.

30070749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527579.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 30070749 is about 5483.6802423190. The cubic root of 30070749 is about 310.9673183814.

The spelling of 30070749 in words is "thirty million, seventy thousand, seven hundred forty-nine".