30700067550 has 48 divisors (see below), whose sum is σ = 77099946240. Its totient is φ = 8083052640.

The previous prime is 30700067543. The next prime is 30700067597. The reversal of 30700067550 is 5576000703.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1283512 + ... + 1307211.

It is an arithmetic number, because the mean of its divisors is an integer number (1606248880).

Almost surely, 2^30700067550 is an apocalyptic number.

30700067550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30700067550 is an abundant number, since it is smaller than the sum of its proper divisors (46399878690).

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

30700067550 is a wasteful number, since it uses less digits than its factorization.

30700067550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590817 (or 2590812 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 33.

The spelling of 30700067550 in words is "thirty billion, seven hundred million, sixty-seven thousand, five hundred fifty".