74662633626697 has 2 divisors, whose sum is σ = 74662633626698. Its totient is φ = 74662633626696.

The previous prime is 74662633626611. The next prime is 74662633626719. The reversal of 74662633626697 is 79662633626647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72879190898761 + 1783442727936 = 8536931^2 + 1335456^2 .

It is a cyclic number.

It is not a de Polignac number, because 74662633626697 - 2⁷ = 74662633626569 is a prime.

It is a super-2 number, since 2×74662633626697² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74662633626197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37331316813348 + 37331316813349.

It is an arithmetic number, because the mean of its divisors is an integer number (37331316813349).

Almost surely, 2^{74662633626697} is an apocalyptic number.

It is an amenable number.

74662633626697 is a deficient number, since it is larger than the sum of its proper divisors (1).

74662633626697 is an equidigital number, since it uses as much as digits as its factorization.

74662633626697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2962842624, while the sum is 73.

The spelling of 74662633626697 in words is "seventy-four trillion, six hundred sixty-two billion, six hundred thirty-three million, six hundred twenty-six thousand, six hundred ninety-seven".