74632288769 has 2 divisors, whose sum is σ = 74632288770. Its totient is φ = 74632288768.

The previous prime is 74632288763. The next prime is 74632288793. The reversal of 74632288769 is 96788223647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72826038769 + 1806250000 = 269863^2 + 42500^2 .

It is a cyclic number.

It is not a de Polignac number, because 74632288769 - 2¹² = 74632284673 is a prime.

It is a super-2 number, since 2×74632288769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74632288763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37316144384 + 37316144385.

It is an arithmetic number, because the mean of its divisors is an integer number (37316144385).

Almost surely, 2^74632288769 is an apocalyptic number.

It is an amenable number.

74632288769 is a deficient number, since it is larger than the sum of its proper divisors (1).

74632288769 is an equidigital number, since it uses as much as digits as its factorization.

74632288769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48771072, while the sum is 62.

The spelling of 74632288769 in words is "seventy-four billion, six hundred thirty-two million, two hundred eighty-eight thousand, seven hundred sixty-nine".