74625673393 has 2 divisors, whose sum is σ = 74625673394. Its totient is φ = 74625673392.

The previous prime is 74625673327. The next prime is 74625673429. The reversal of 74625673393 is 39337652647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74625673329 + 64 = 273177^2 + 8^2 .

It is a cyclic number.

It is not a de Polignac number, because 74625673393 - 2²⁹ = 74088802481 is a prime.

It is a super-2 number, since 2×74625673393² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74625676393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37312836696 + 37312836697.

It is an arithmetic number, because the mean of its divisors is an integer number (37312836697).

Almost surely, 2^74625673393 is an apocalyptic number.

It is an amenable number.

74625673393 is a deficient number, since it is larger than the sum of its proper divisors (1).

74625673393 is an equidigital number, since it uses as much as digits as its factorization.

74625673393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 55.

The spelling of 74625673393 in words is "seventy-four billion, six hundred twenty-five million, six hundred seventy-three thousand, three hundred ninety-three".