30764747730 has 64 divisors (see below), whose sum is σ = 76724444160. Its totient is φ = 7885468416.

The previous prime is 30764747723. The next prime is 30764747771. The reversal of 30764747730 is 3774746703.

It is a self number, because there is not a number n which added to its sum of digits gives 30764747730.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 114724 + ... + 273296.

It is an arithmetic number, because the mean of its divisors is an integer number (1198819440).

Almost surely, 2^30764747730 is an apocalyptic number.

30764747730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30764747730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38362222080).

30764747730 is an abundant number, since it is smaller than the sum of its proper divisors (45959696430).

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

30764747730 is a wasteful number, since it uses less digits than its factorization.

30764747730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158835.

The product of its (nonzero) digits is 2074464, while the sum is 48.

The spelling of 30764747730 in words is "thirty billion, seven hundred sixty-four million, seven hundred forty-seven thousand, seven hundred thirty".