73698569 has 4 divisors (see below), whose sum is σ = 84226944. Its totient is φ = 63170196.

The previous prime is 73698557. The next prime is 73698617. The reversal of 73698569 is 96589637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73698569 - 2¹⁶ = 73633033 is a prime.

It is a super-2 number, since 2×73698569² = 10862958145295522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73698569.

It is not an unprimeable number, because it can be changed into a prime (73698539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5264177 + ... + 5264190.

It is an arithmetic number, because the mean of its divisors is an integer number (21056736).

Almost surely, 2^73698569 is an apocalyptic number.

It is an amenable number.

73698569 is a deficient number, since it is larger than the sum of its proper divisors (10528375).

73698569 is a wasteful number, since it uses less digits than its factorization.

73698569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10528374.

The product of its digits is 2449440, while the sum is 53.

The square root of 73698569 is about 8584.7870678311. The cubic root of 73698569 is about 419.2628206245.

The spelling of 73698569 in words is "seventy-three million, six hundred ninety-eight thousand, five hundred sixty-nine".