29764643700 has 72 divisors (see below), whose sum is σ = 93948049440. Its totient is φ = 7215670400.

The previous prime is 29764643693. The next prime is 29764643723. The reversal of 29764643700 is 734646792.

It is a self number, because there is not a number n which added to its sum of digits gives 29764643700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4506495 + ... + 4513094.

It is an arithmetic number, because the mean of its divisors is an integer number (1304834020).

Almost surely, 2^29764643700 is an apocalyptic number.

29764643700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29764643700 is an abundant number, since it is smaller than the sum of its proper divisors (64183405740).

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

29764643700 is a wasteful number, since it uses less digits than its factorization.

29764643700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9019617 (or 9019610 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

It can be divided in two parts, 2976 and 4643700, that added together give a triangular number (4646676 = T₃₀₄₈).

The spelling of 29764643700 in words is "twenty-nine billion, seven hundred sixty-four million, six hundred forty-three thousand, seven hundred".