33672473 has 2 divisors, whose sum is σ = 33672474. Its totient is φ = 33672472.

The previous prime is 33672383. The next prime is 33672493. The reversal of 33672473 is 37427633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29724304 + 3948169 = 5452^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 33672473 - 2²⁴ = 16895257 is a prime.

It is a super-2 number, since 2×33672473² = 2267670875871458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (33672493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16836236 + 16836237.

It is an arithmetic number, because the mean of its divisors is an integer number (16836237).

Almost surely, 2^33672473 is an apocalyptic number.

It is an amenable number.

33672473 is a deficient number, since it is larger than the sum of its proper divisors (1).

33672473 is an equidigital number, since it uses as much as digits as its factorization.

33672473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 35.

The square root of 33672473 is about 5802.7987213068. The cubic root of 33672473 is about 322.9175665952.

The spelling of 33672473 in words is "thirty-three million, six hundred seventy-two thousand, four hundred seventy-three".