74267213 has 2 divisors, whose sum is σ = 74267214. Its totient is φ = 74267212.

The previous prime is 74267209. The next prime is 74267233. The reversal of 74267213 is 31276247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73496329 + 770884 = 8573^2 + 878^2 .

It is an emirp because it is prime and its reverse (31276247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74267213 - 2² = 74267209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74267213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74267233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37133606 + 37133607.

It is an arithmetic number, because the mean of its divisors is an integer number (37133607).

Almost surely, 2^74267213 is an apocalyptic number.

It is an amenable number.

74267213 is a deficient number, since it is larger than the sum of its proper divisors (1).

74267213 is an equidigital number, since it uses as much as digits as its factorization.

74267213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 74267213 is about 8617.8427114911. The cubic root of 74267213 is about 420.3383762154.

The spelling of 74267213 in words is "seventy-four million, two hundred sixty-seven thousand, two hundred thirteen".