27029729730 has 32 divisors (see below), whose sum is σ = 64877500800. Its totient is φ = 7207244672.

The previous prime is 27029729677. The next prime is 27029729747. The reversal of 27029729730 is 3792792072.

It is a self number, because there is not a number n which added to its sum of digits gives 27029729730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333331 + ... + 406409.

It is an arithmetic number, because the mean of its divisors is an integer number (2027421900).

Almost surely, 2^27029729730 is an apocalyptic number.

27029729730 is an abundant number, since it is smaller than the sum of its proper divisors (37847771070).

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

27029729730 is a wasteful number, since it uses less digits than its factorization.

27029729730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85418.

The product of its (nonzero) digits is 666792, while the sum is 48.

The spelling of 27029729730 in words is "twenty-seven billion, twenty-nine million, seven hundred twenty-nine thousand, seven hundred thirty".