30720740010 has 32 divisors (see below), whose sum is σ = 73738753920. Its totient is φ = 8191199808.

The previous prime is 30720739997. The next prime is 30720740021. The reversal of 30720740010 is 1004702703.

It is a Curzon number.

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, 207244 + ... + 323096.

It is an arithmetic number, because the mean of its divisors is an integer number (2304336060).

Almost surely, 2^30720740010 is an apocalyptic number.

30720740010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30720740010 is an abundant number, since it is smaller than the sum of its proper divisors (43018013910).

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

30720740010 is a wasteful number, since it uses less digits than its factorization.

30720740010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124702.

The product of its (nonzero) digits is 1176, while the sum is 24.

The spelling of 30720740010 in words is "thirty billion, seven hundred twenty million, seven hundred forty thousand, ten".