30780714756 has 48 divisors (see below), whose sum is σ = 78850013760. Its totient is φ = 9268072320.

The previous prime is 30780714739. The next prime is 30780714793. The reversal of 30780714756 is 65741708703.

It is a super-2 number, since 2×30780714756² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721911 + ... + 763358.

It is an arithmetic number, because the mean of its divisors is an integer number (1642708620).

Almost surely, 2^30780714756 is an apocalyptic number.

It is an amenable number.

30780714756 is an abundant number, since it is smaller than the sum of its proper divisors (48069299004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30780714756 is a wasteful number, since it uses less digits than its factorization.

30780714756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485444 (or 1485442 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 30780714756 in words is "thirty billion, seven hundred eighty million, seven hundred fourteen thousand, seven hundred fifty-six".