33972530 has 8 divisors (see below), whose sum is σ = 61150572. Its totient is φ = 13589008.

The previous prime is 33972517. The next prime is 33972553. The reversal of 33972530 is 3527933.

It can be written as a sum of positive squares in 2 ways, for example, as 29888089 + 4084441 = 5467^2 + 2021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1698617 + ... + 1698636.

Almost surely, 2^33972530 is an apocalyptic number.

33972530 is a deficient number, since it is larger than the sum of its proper divisors (27178042).

33972530 is a wasteful number, since it uses less digits than its factorization.

33972530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397260.

The product of its (nonzero) digits is 17010, while the sum is 32.

The square root of 33972530 is about 5828.5958858030. The cubic root of 33972530 is about 323.8739094280.

The spelling of 33972530 in words is "thirty-three million, nine hundred seventy-two thousand, five hundred thirty".