33972700 has 18 divisors (see below), whose sum is σ = 73720976. Its totient is φ = 13589040.

The previous prime is 33972691. The next prime is 33972721. The reversal of 33972700 is 727933.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169764 + ... + 169963.

Almost surely, 2^33972700 is an apocalyptic number.

It is an amenable number.

33972700 is an abundant number, since it is smaller than the sum of its proper divisors (39748276).

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

33972700 is a wasteful number, since it uses less digits than its factorization.

33972700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339741 (or 339734 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 33972700 is about 5828.6104690569. The cubic root of 33972700 is about 323.8744496534.

The spelling of 33972700 in words is "thirty-three million, nine hundred seventy-two thousand, seven hundred".