73741729 has 2 divisors, whose sum is σ = 73741730. Its totient is φ = 73741728.

The previous prime is 73741687. The next prime is 73741763. The reversal of 73741729 is 92714737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72590400 + 1151329 = 8520^2 + 1073^2 .

It is a cyclic number.

It is not a de Polignac number, because 73741729 - 2⁷ = 73741601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73741691 and 73741700.

It is not a weakly prime, because it can be changed into another prime (73744729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36870864 + 36870865.

It is an arithmetic number, because the mean of its divisors is an integer number (36870865).

Almost surely, 2^73741729 is an apocalyptic number.

It is an amenable number.

73741729 is a deficient number, since it is larger than the sum of its proper divisors (1).

73741729 is an equidigital number, since it uses as much as digits as its factorization.

73741729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 40.

The square root of 73741729 is about 8587.3004489187. The cubic root of 73741729 is about 419.3446487719.

The spelling of 73741729 in words is "seventy-three million, seven hundred forty-one thousand, seven hundred twenty-nine".