33972273 has 12 divisors (see below), whose sum is σ = 51957828. Its totient is φ = 21315840.

The previous prime is 33972269. The next prime is 33972277. The reversal of 33972273 is 37227933.

It is an interprime number because it is at equal distance from previous prime (33972269) and next prime (33972277).

It can be written as a sum of positive squares in 2 ways, for example, as 13749264 + 20223009 = 3708^2 + 4497^2 .

It is not a de Polignac number, because 33972273 - 2² = 33972269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33972277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110868 + ... + 111173.

It is an arithmetic number, because the mean of its divisors is an integer number (4329819).

Almost surely, 2^33972273 is an apocalyptic number.

It is an amenable number.

33972273 is a deficient number, since it is larger than the sum of its proper divisors (17985555).

33972273 is a wasteful number, since it uses less digits than its factorization.

33972273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222064 (or 222061 counting only the distinct ones).

The product of its digits is 47628, while the sum is 36.

The square root of 33972273 is about 5828.5738392852. The cubic root of 33972273 is about 323.8730927309.

The spelling of 33972273 in words is "thirty-three million, nine hundred seventy-two thousand, two hundred seventy-three".