29705647070 has 16 divisors (see below), whose sum is σ = 58331089008. Its totient is φ = 10802053440.

The previous prime is 29705647067. The next prime is 29705647087. The reversal of 29705647070 is 7074650792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135025559 + ... + 135025778.

It is an arithmetic number, because the mean of its divisors is an integer number (3645693063).

Almost surely, 2^29705647070 is an apocalyptic number.

29705647070 is a deficient number, since it is larger than the sum of its proper divisors (28625441938).

29705647070 is a wasteful number, since it uses less digits than its factorization.

29705647070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270051355.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 29705647070 in words is "twenty-nine billion, seven hundred five million, six hundred forty-seven thousand, seventy".