73687319 has 8 divisors (see below), whose sum is σ = 74488320. Its totient is φ = 72891000.

The previous prime is 73687307. The next prime is 73687321. The reversal of 73687319 is 91378637.

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

It is a cyclic number.

It is not a de Polignac number, because 73687319 - 2⁸ = 73687063 is a prime.

It is a super-2 number, since 2×73687319² = 10859641962815522, 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 73687319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73687349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36794 + ... + 38744.

It is an arithmetic number, because the mean of its divisors is an integer number (9311040).

Almost surely, 2^73687319 is an apocalyptic number.

73687319 is a deficient number, since it is larger than the sum of its proper divisors (801001).

73687319 is a wasteful number, since it uses less digits than its factorization.

73687319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341.

The product of its digits is 190512, while the sum is 44.

The square root of 73687319 is about 8584.1318139926. The cubic root of 73687319 is about 419.2414862132.

The spelling of 73687319 in words is "seventy-three million, six hundred eighty-seven thousand, three hundred nineteen".