33079972 has 6 divisors (see below), whose sum is σ = 57889958. Its totient is φ = 16539984.

The previous prime is 33079939. The next prime is 33079973. The reversal of 33079972 is 27997033.

It can be written as a sum of positive squares in only one way, i.e., 32993536 + 86436 = 5744^2 + 294^2 .

It is not an unprimeable number, because it can be changed into a prime (33079973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4134993 + ... + 4135000.

Almost surely, 2^33079972 is an apocalyptic number.

It is an amenable number.

33079972 is a deficient number, since it is larger than the sum of its proper divisors (24809986).

33079972 is a wasteful number, since it uses less digits than its factorization.

33079972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269997 (or 8269995 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 40.

The square root of 33079972 is about 5751.5191036803. The cubic root of 33079972 is about 321.0123279524.

The spelling of 33079972 in words is "thirty-three million, seventy-nine thousand, nine hundred seventy-two".