74464938671 has 2 divisors, whose sum is σ = 74464938672. Its totient is φ = 74464938670.

The previous prime is 74464938623. The next prime is 74464938683. The reversal of 74464938671 is 17683946447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74464938671 - 2¹⁸ = 74464676527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74464938671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74464938601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37232469335 + 37232469336.

It is an arithmetic number, because the mean of its divisors is an integer number (37232469336).

Almost surely, 2^74464938671 is an apocalyptic number.

74464938671 is a deficient number, since it is larger than the sum of its proper divisors (1).

74464938671 is an equidigital number, since it uses as much as digits as its factorization.

74464938671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24385536, while the sum is 59.

The spelling of 74464938671 in words is "seventy-four billion, four hundred sixty-four million, nine hundred thirty-eight thousand, six hundred seventy-one".