33921744672 has 48 divisors (see below), whose sum is σ = 92916089280. Its totient is φ = 10815628032.

The previous prime is 33921744629. The next prime is 33921744697. The reversal of 33921744672 is 27644712933.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 7679347 + ... + 7683762.

It is an arithmetic number, because the mean of its divisors is an integer number (1935751860).

Almost surely, 2^33921744672 is an apocalyptic number.

33921744672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33921744672 is an abundant number, since it is smaller than the sum of its proper divisors (58994344608).

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

33921744672 is a wasteful number, since it uses less digits than its factorization.

33921744672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15363145 (or 15363137 counting only the distinct ones).

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

The spelling of 33921744672 in words is "thirty-three billion, nine hundred twenty-one million, seven hundred forty-four thousand, six hundred seventy-two".