74252693 has 2 divisors, whose sum is σ = 74252694. Its totient is φ = 74252692.

The previous prime is 74252687. The next prime is 74252707. The reversal of 74252693 is 39625247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74252689 + 4 = 8617^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74252693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74252603) 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 as a sum of consecutive naturals, namely, 37126346 + 37126347.

It is an arithmetic number, because the mean of its divisors is an integer number (37126347).

Almost surely, 2^74252693 is an apocalyptic number.

It is an amenable number.

74252693 is a deficient number, since it is larger than the sum of its proper divisors (1).

74252693 is an equidigital number, since it uses as much as digits as its factorization.

74252693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 74252693 is about 8617.0002320993. Note that the first 3 decimals coincide. The cubic root of 74252693 is about 420.3109809456.

It can be divided in two parts, 742 and 52693, that added together give a palindrome (53435).

The spelling of 74252693 in words is "seventy-four million, two hundred fifty-two thousand, six hundred ninety-three".