73704569 has 2 divisors, whose sum is σ = 73704570. Its totient is φ = 73704568.

The previous prime is 73704559. The next prime is 73704583. The reversal of 73704569 is 96540737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67848169 + 5856400 = 8237^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 73704569 - 2²⁰ = 72655993 is a prime.

It is a super-2 number, since 2×73704569² = 10864726982951522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73704529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36852284 + 36852285.

It is an arithmetic number, because the mean of its divisors is an integer number (36852285).

Almost surely, 2^73704569 is an apocalyptic number.

It is an amenable number.

73704569 is a deficient number, since it is larger than the sum of its proper divisors (1).

73704569 is an equidigital number, since it uses as much as digits as its factorization.

73704569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 73704569 is about 8585.1365160957. The cubic root of 73704569 is about 419.2741980895.

The spelling of 73704569 in words is "seventy-three million, seven hundred four thousand, five hundred sixty-nine".