73014509 has 2 divisors, whose sum is σ = 73014510. Its totient is φ = 73014508.

The previous prime is 73014479. The next prime is 73014533. The reversal of 73014509 is 90541037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60918025 + 12096484 = 7805^2 + 3478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73014509 is a prime.

It is a super-2 number, since 2×73014509² = 10662237049022162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73014569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36507254 + 36507255.

It is an arithmetic number, because the mean of its divisors is an integer number (36507255).

Almost surely, 2^73014509 is an apocalyptic number.

It is an amenable number.

73014509 is a deficient number, since it is larger than the sum of its proper divisors (1).

73014509 is an equidigital number, since it uses as much as digits as its factorization.

73014509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 73014509 is about 8544.8527781349. The cubic root of 73014509 is about 417.9616064032.

The spelling of 73014509 in words is "seventy-three million, fourteen thousand, five hundred nine".