30007514721 has 4 divisors (see below), whose sum is σ = 40010019632. Its totient is φ = 20005009812.

The previous prime is 30007514699. The next prime is 30007514729. The reversal of 30007514721 is 12741570003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30007514721 - 2¹⁷ = 30007383649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30007514729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5001252451 + ... + 5001252456.

It is an arithmetic number, because the mean of its divisors is an integer number (10002504908).

Almost surely, 2^30007514721 is an apocalyptic number.

It is an amenable number.

30007514721 is a deficient number, since it is larger than the sum of its proper divisors (10002504911).

30007514721 is a wasteful number, since it uses less digits than its factorization.

30007514721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002504910.

The product of its (nonzero) digits is 5880, while the sum is 30.

The spelling of 30007514721 in words is "thirty billion, seven million, five hundred fourteen thousand, seven hundred twenty-one".