74666700551 has 2 divisors, whose sum is σ = 74666700552. Its totient is φ = 74666700550.

The previous prime is 74666700529. The next prime is 74666700557. The reversal of 74666700551 is 15500766647.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74666700551 - 2²⁶ = 74599591687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74666700496 and 74666700505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74666700557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37333350275 + 37333350276.

It is an arithmetic number, because the mean of its divisors is an integer number (37333350276).

Almost surely, 2^74666700551 is an apocalyptic number.

74666700551 is a deficient number, since it is larger than the sum of its proper divisors (1).

74666700551 is an equidigital number, since it uses as much as digits as its factorization.

74666700551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 74666700551 in words is "seventy-four billion, six hundred sixty-six million, seven hundred thousand, five hundred fifty-one".