30102747 has 8 divisors (see below), whose sum is σ = 40534800. Its totient is φ = 19869600.

The previous prime is 30102739. The next prime is 30102757. The reversal of 30102747 is 74720103.

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

It is not a de Polignac number, because 30102747 - 2³ = 30102739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30102757) 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, 49372 + ... + 49977.

It is an arithmetic number, because the mean of its divisors is an integer number (5066850).

Almost surely, 2^30102747 is an apocalyptic number.

30102747 is a deficient number, since it is larger than the sum of its proper divisors (10432053).

30102747 is a wasteful number, since it uses less digits than its factorization.

30102747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99453.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 30102747 is about 5486.5970327699. The cubic root of 30102747 is about 311.0775784106.

The spelling of 30102747 in words is "thirty million, one hundred two thousand, seven hundred forty-seven".