30470345745 has 32 divisors (see below), whose sum is σ = 55724351232. Its totient is φ = 13927514112.

The previous prime is 30470345681. The next prime is 30470345767. The reversal of 30470345745 is 54754307403.

It is not a de Polignac number, because 30470345745 - 2⁶ = 30470345681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30470345697 and 30470345706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1153809 + ... + 1179921.

It is an arithmetic number, because the mean of its divisors is an integer number (1741385976).

Almost surely, 2^30470345745 is an apocalyptic number.

30470345745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30470345745 is a deficient number, since it is larger than the sum of its proper divisors (25254005487).

30470345745 is a wasteful number, since it uses less digits than its factorization.

30470345745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37241.

The product of its (nonzero) digits is 705600, while the sum is 42.

The spelling of 30470345745 in words is "thirty billion, four hundred seventy million, three hundred forty-five thousand, seven hundred forty-five".