73308749 has 2 divisors, whose sum is σ = 73308750. Its totient is φ = 73308748.

The previous prime is 73308737. The next prime is 73308773. The reversal of 73308749 is 94780337.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45292900 + 28015849 = 6730^2 + 5293^2 .

It is a cyclic number.

It is not a de Polignac number, because 73308749 - 2⁴ = 73308733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73308799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36654374 + 36654375.

It is an arithmetic number, because the mean of its divisors is an integer number (36654375).

Almost surely, 2^73308749 is an apocalyptic number.

It is an amenable number.

73308749 is a deficient number, since it is larger than the sum of its proper divisors (1).

73308749 is an equidigital number, since it uses as much as digits as its factorization.

73308749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 73308749 is about 8562.0528496383. The cubic root of 73308749 is about 418.5222994940.

The spelling of 73308749 in words is "seventy-three million, three hundred eight thousand, seven hundred forty-nine".