73061749 has 2 divisors, whose sum is σ = 73061750. Its totient is φ = 73061748.

The previous prime is 73061693. The next prime is 73061753. The reversal of 73061749 is 94716037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38663524 + 34398225 = 6218^2 + 5865^2 .

It is a cyclic number.

It is not a de Polignac number, because 73061749 - 2⁷ = 73061621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73061789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36530874 + 36530875.

It is an arithmetic number, because the mean of its divisors is an integer number (36530875).

Almost surely, 2^73061749 is an apocalyptic number.

It is an amenable number.

73061749 is a deficient number, since it is larger than the sum of its proper divisors (1).

73061749 is an equidigital number, since it uses as much as digits as its factorization.

73061749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 73061749 is about 8547.6165683774. The cubic root of 73061749 is about 418.0517266176.

The spelling of 73061749 in words is "seventy-three million, sixty-one thousand, seven hundred forty-nine".