30730712546 has 8 divisors (see below), whose sum is σ = 46232853420. Its totient is φ = 15319761408.

The previous prime is 30730712543. The next prime is 30730712561. The reversal of 30730712546 is 64521703703.

It can be written as a sum of positive squares in 2 ways, for example, as 30612751225 + 117961321 = 174965^2 + 10861^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30730712543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22796591 + ... + 22797938.

Almost surely, 2^30730712546 is an apocalyptic number.

30730712546 is a deficient number, since it is larger than the sum of its proper divisors (15502140874).

30730712546 is a wasteful number, since it uses less digits than its factorization.

30730712546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45594868.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 30730712546 in words is "thirty billion, seven hundred thirty million, seven hundred twelve thousand, five hundred forty-six".