74666723 has 2 divisors, whose sum is σ = 74666724. Its totient is φ = 74666722.

The previous prime is 74666701. The next prime is 74666747. The reversal of 74666723 is 32766647.

It is a weak prime.

It is an emirp because it is prime and its reverse (32766647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74666723 - 2⁶ = 74666659 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (74666783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37333361 + 37333362.

It is an arithmetic number, because the mean of its divisors is an integer number (37333362).

Almost surely, 2^74666723 is an apocalyptic number.

74666723 is a deficient number, since it is larger than the sum of its proper divisors (1).

74666723 is an equidigital number, since it uses as much as digits as its factorization.

74666723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 41.

The square root of 74666723 is about 8640.9908575348. The cubic root of 74666723 is about 421.0907457430.

The spelling of 74666723 in words is "seventy-four million, six hundred sixty-six thousand, seven hundred twenty-three".