74312999 has 2 divisors, whose sum is σ = 74313000. Its totient is φ = 74312998.

The previous prime is 74312957. The next prime is 74313011. The reversal of 74312999 is 99921347.

It is a strong prime.

It is an emirp because it is prime and its reverse (99921347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74312999 - 2¹² = 74308903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74312929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37156499 + 37156500.

It is an arithmetic number, because the mean of its divisors is an integer number (37156500).

Almost surely, 2^74312999 is an apocalyptic number.

74312999 is a deficient number, since it is larger than the sum of its proper divisors (1).

74312999 is an equidigital number, since it uses as much as digits as its factorization.

74312999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 44.

The square root of 74312999 is about 8620.4987674728. The cubic root of 74312999 is about 420.4247385031.

The spelling of 74312999 in words is "seventy-four million, three hundred twelve thousand, nine hundred ninety-nine".