73740326741 has 2 divisors, whose sum is σ = 73740326742. Its totient is φ = 73740326740.

The previous prime is 73740326729. The next prime is 73740326761. The reversal of 73740326741 is 14762304737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56487504241 + 17252822500 = 237671^2 + 131350^2 .

It is a cyclic number.

It is not a de Polignac number, because 73740326741 - 2⁶ = 73740326677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73740326692 and 73740326701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73740326761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36870163370 + 36870163371.

It is an arithmetic number, because the mean of its divisors is an integer number (36870163371).

Almost surely, 2^73740326741 is an apocalyptic number.

It is an amenable number.

73740326741 is a deficient number, since it is larger than the sum of its proper divisors (1).

73740326741 is an equidigital number, since it uses as much as digits as its factorization.

73740326741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 73740326741 in words is "seventy-three billion, seven hundred forty million, three hundred twenty-six thousand, seven hundred forty-one".