74574573923 has 2 divisors, whose sum is σ = 74574573924. Its totient is φ = 74574573922.

The previous prime is 74574573907. The next prime is 74574573937. The reversal of 74574573923 is 32937547547.

It is a strong prime.

It is an emirp because it is prime and its reverse (32937547547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74574573923 - 2⁴ = 74574573907 is a prime.

It is a super-2 number, since 2×74574573923² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74574573943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37287286961 + 37287286962.

It is an arithmetic number, because the mean of its divisors is an integer number (37287286962).

Almost surely, 2^74574573923 is an apocalyptic number.

74574573923 is a deficient number, since it is larger than the sum of its proper divisors (1).

74574573923 is an equidigital number, since it uses as much as digits as its factorization.

74574573923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22226400, while the sum is 56.

The spelling of 74574573923 in words is "seventy-four billion, five hundred seventy-four million, five hundred seventy-three thousand, nine hundred twenty-three".