30709040705 has 8 divisors (see below), whose sum is σ = 42115255872. Its totient is φ = 21057627888.

The previous prime is 30709040693. The next prime is 30709040711. The reversal of 30709040705 is 50704090703.

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

It is a cyclic number.

It is not a de Polignac number, because 30709040705 - 2¹⁴ = 30709024321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 877401163 = 30709040705 / (3 + 0 + 7 + 0 + 9 + 0 + 4 + 0 + 7 + 0 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438700547 + ... + 438700616.

It is an arithmetic number, because the mean of its divisors is an integer number (5264406984).

Almost surely, 2^30709040705 is an apocalyptic number.

30709040705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30709040705 is a deficient number, since it is larger than the sum of its proper divisors (11406215167).

30709040705 is an equidigital number, since it uses as much as digits as its factorization.

30709040705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877401175.

The product of its (nonzero) digits is 26460, while the sum is 35.

The spelling of 30709040705 in words is "thirty billion, seven hundred nine million, forty thousand, seven hundred five".