29700973672 has 16 divisors (see below), whose sum is σ = 57047602500. Its totient is φ = 14488279680.

The previous prime is 29700973657. The next prime is 29700973711. The reversal of 29700973672 is 27637900792.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22974677476 + 6726296196 = 151574^2 + 82014^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45275547 + ... + 45276202.

Almost surely, 2^29700973672 is an apocalyptic number.

It is an amenable number.

29700973672 is a deficient number, since it is larger than the sum of its proper divisors (27346628828).

29700973672 is a wasteful number, since it uses less digits than its factorization.

29700973672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90551796 (or 90551792 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 52.

The spelling of 29700973672 in words is "twenty-nine billion, seven hundred million, nine hundred seventy-three thousand, six hundred seventy-two".