73754283661 has 2 divisors, whose sum is σ = 73754283662. Its totient is φ = 73754283660.

The previous prime is 73754283653. The next prime is 73754283683. The reversal of 73754283661 is 16638245737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58503515625 + 15250768036 = 241875^2 + 123494^2 .

It is a cyclic number.

It is not a de Polignac number, because 73754283661 - 2³ = 73754283653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73754283599 and 73754283608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73754283761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36877141830 + 36877141831.

It is an arithmetic number, because the mean of its divisors is an integer number (36877141831).

Almost surely, 2^73754283661 is an apocalyptic number.

It is an amenable number.

73754283661 is a deficient number, since it is larger than the sum of its proper divisors (1).

73754283661 is an equidigital number, since it uses as much as digits as its factorization.

73754283661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 52.

The spelling of 73754283661 in words is "seventy-three billion, seven hundred fifty-four million, two hundred eighty-three thousand, six hundred sixty-one".