74322133 has 2 divisors, whose sum is σ = 74322134. Its totient is φ = 74322132.

The previous prime is 74322067. The next prime is 74322137. The reversal of 74322133 is 33122347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 3122289 = 8438^2 + 1767^2 .

It is an emirp because it is prime and its reverse (33122347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74322133 - 2²¹ = 72224981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74322098 and 74322107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74322137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37161066 + 37161067.

It is an arithmetic number, because the mean of its divisors is an integer number (37161067).

Almost surely, 2^74322133 is an apocalyptic number.

It is an amenable number.

74322133 is a deficient number, since it is larger than the sum of its proper divisors (1).

74322133 is an equidigital number, since it uses as much as digits as its factorization.

74322133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 25.

The square root of 74322133 is about 8621.0285349255. The cubic root of 74322133 is about 420.4419629560.

The spelling of 74322133 in words is "seventy-four million, three hundred twenty-two thousand, one hundred thirty-three".