74628311 has 2 divisors, whose sum is σ = 74628312. Its totient is φ = 74628310.

The previous prime is 74628287. The next prime is 74628319. The reversal of 74628311 is 11382647.

It is a strong prime.

It is an emirp because it is prime and its reverse (11382647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74628311 - 2⁶ = 74628247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74628319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37314155 + 37314156.

It is an arithmetic number, because the mean of its divisors is an integer number (37314156).

Almost surely, 2^74628311 is an apocalyptic number.

74628311 is a deficient number, since it is larger than the sum of its proper divisors (1).

74628311 is an equidigital number, since it uses as much as digits as its factorization.

74628311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 74628311 is about 8638.7679098353. The cubic root of 74628311 is about 421.0185238679.

The spelling of 74628311 in words is "seventy-four million, six hundred twenty-eight thousand, three hundred eleven".