30758620073 has 6 divisors (see below), whose sum is σ = 31048781946. Its totient is φ = 30471144992.

The previous prime is 30758620069. The next prime is 30758620091. The reversal of 30758620073 is 37002685703.

It can be written as a sum of positive squares in only one way, i.e., 30755689129 + 2930944 = 175373^2 + 1712^2 .

It is not a de Polignac number, because 30758620073 - 2² = 30758620069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30758620073.

It is not an unprimeable number, because it can be changed into a prime (30758620033) 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 5 ways as a sum of consecutive naturals, for example, 1331840 + ... + 1354737.

It is an arithmetic number, because the mean of its divisors is an integer number (5174796991).

Almost surely, 2^30758620073 is an apocalyptic number.

It is an amenable number.

30758620073 is a deficient number, since it is larger than the sum of its proper divisors (290161873).

30758620073 is an equidigital number, since it uses as much as digits as its factorization.

30758620073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686791 (or 2686684 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 30758620073 in words is "thirty billion, seven hundred fifty-eight million, six hundred twenty thousand, seventy-three".