33970728750 has 80 divisors (see below), whose sum is σ = 97028241024. Its totient is φ = 7764732000.

The previous prime is 33970728697. The next prime is 33970728763. The reversal of 33970728750 is 5782707933.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33970728693 and 33970728702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 620812 + ... + 673311.

Almost surely, 2^33970728750 is an apocalyptic number.

33970728750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33970728750 is an abundant number, since it is smaller than the sum of its proper divisors (63057512274).

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

33970728750 is a wasteful number, since it uses less digits than its factorization.

33970728750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294155 (or 1294140 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 51.

The spelling of 33970728750 in words is "thirty-three billion, nine hundred seventy million, seven hundred twenty-eight thousand, seven hundred fifty".