73258769 has 2 divisors, whose sum is σ = 73258770. Its totient is φ = 73258768.

The previous prime is 73258751. The next prime is 73258777. The reversal of 73258769 is 96785237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70896400 + 2362369 = 8420^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 73258769 - 2¹² = 73254673 is a prime.

It is a super-2 number, since 2×73258769² = 10733694470790722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73258709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36629384 + 36629385.

It is an arithmetic number, because the mean of its divisors is an integer number (36629385).

Almost surely, 2^73258769 is an apocalyptic number.

It is an amenable number.

73258769 is a deficient number, since it is larger than the sum of its proper divisors (1).

73258769 is an equidigital number, since it uses as much as digits as its factorization.

73258769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 73258769 is about 8559.1336594307. The cubic root of 73258769 is about 418.4271653282.

The spelling of 73258769 in words is "seventy-three million, two hundred fifty-eight thousand, seven hundred sixty-nine".