73734647683 has 2 divisors, whose sum is σ = 73734647684. Its totient is φ = 73734647682.

The previous prime is 73734647671. The next prime is 73734647687. The reversal of 73734647683 is 38674643737.

It is a strong prime.

It is an emirp because it is prime and its reverse (38674643737) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73734647683 is a prime.

It is a super-2 number, since 2×73734647683² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73734647687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36867323841 + 36867323842.

It is an arithmetic number, because the mean of its divisors is an integer number (36867323842).

Almost surely, 2^73734647683 is an apocalyptic number.

73734647683 is a deficient number, since it is larger than the sum of its proper divisors (1).

73734647683 is an equidigital number, since it uses as much as digits as its factorization.

73734647683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42674688, while the sum is 58.

The spelling of 73734647683 in words is "seventy-three billion, seven hundred thirty-four million, six hundred forty-seven thousand, six hundred eighty-three".