73691369 has 8 divisors (see below), whose sum is σ = 74508288. Its totient is φ = 72878400.

The previous prime is 73691363. The next prime is 73691381. The reversal of 73691369 is 96319637.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73691369 is a prime.

It is a super-2 number, since 2×73691369² = 10860835730188322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73691363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50204 + ... + 51650.

It is an arithmetic number, because the mean of its divisors is an integer number (9313536).

Almost surely, 2^73691369 is an apocalyptic number.

It is an amenable number.

73691369 is a deficient number, since it is larger than the sum of its proper divisors (816919).

73691369 is a wasteful number, since it uses less digits than its factorization.

73691369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975.

The product of its digits is 183708, while the sum is 44.

The square root of 73691369 is about 8584.3677111363. The cubic root of 73691369 is about 419.2491668514.

The spelling of 73691369 in words is "seventy-three million, six hundred ninety-one thousand, three hundred sixty-nine".