74042933 has 2 divisors, whose sum is σ = 74042934. Its totient is φ = 74042932.

The previous prime is 74042929. The next prime is 74042953. The reversal of 74042933 is 33924047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57866449 + 16176484 = 7607^2 + 4022^2 .

It is a cyclic number.

It is not a de Polignac number, because 74042933 - 2² = 74042929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74042933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74042953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37021466 + 37021467.

It is an arithmetic number, because the mean of its divisors is an integer number (37021467).

Almost surely, 2^74042933 is an apocalyptic number.

It is an amenable number.

74042933 is a deficient number, since it is larger than the sum of its proper divisors (1).

74042933 is an equidigital number, since it uses as much as digits as its factorization.

74042933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 74042933 is about 8604.8203351377. The cubic root of 74042933 is about 419.9148221069.

The spelling of 74042933 in words is "seventy-four million, forty-two thousand, nine hundred thirty-three".