74072233 has 2 divisors, whose sum is σ = 74072234. Its totient is φ = 74072232.

The previous prime is 74072231. The next prime is 74072249. The reversal of 74072233 is 33227047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 29942784 = 6643^2 + 5472^2 .

It is a cyclic number.

It is not a de Polignac number, because 74072233 - 2¹ = 74072231 is a prime.

Together with 74072231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74072231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37036116 + 37036117.

It is an arithmetic number, because the mean of its divisors is an integer number (37036117).

Almost surely, 2^74072233 is an apocalyptic number.

It is an amenable number.

74072233 is a deficient number, since it is larger than the sum of its proper divisors (1).

74072233 is an equidigital number, since it uses as much as digits as its factorization.

74072233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 74072233 is about 8606.5227008357. The cubic root of 74072233 is about 419.9702038575.

It can be divided in two parts, 74072 and 233, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 74072233 in words is "seventy-four million, seventy-two thousand, two hundred thirty-three".