33972467 has 4 divisors (see below), whose sum is σ = 34063920. Its totient is φ = 33881016.

The previous prime is 33972413. The next prime is 33972469. The reversal of 33972467 is 76427933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76427933 = 3299 ⋅23167.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33972467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33972469) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 45167 + ... + 45912.

It is an arithmetic number, because the mean of its divisors is an integer number (8515980).

Almost surely, 2^33972467 is an apocalyptic number.

33972467 is a deficient number, since it is larger than the sum of its proper divisors (91453).

33972467 is an equidigital number, since it uses as much as digits as its factorization.

33972467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91452.

The product of its digits is 190512, while the sum is 41.

The square root of 33972467 is about 5828.5904814114. The cubic root of 33972467 is about 323.8737092264.

The spelling of 33972467 in words is "thirty-three million, nine hundred seventy-two thousand, four hundred sixty-seven".