73690565 has 16 divisors (see below), whose sum is σ = 98305536. Its totient is φ = 52660800.

The previous prime is 73690523. The next prime is 73690583. The reversal of 73690565 is 56509637.

It is a de Polignac number, because none of the positive numbers 2^k-73690565 is a prime.

It is a super-3 number, since 3×73690565³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16271 + ... + 20300.

It is an arithmetic number, because the mean of its divisors is an integer number (6144096).

Almost surely, 2^73690565 is an apocalyptic number.

It is an amenable number.

73690565 is a deficient number, since it is larger than the sum of its proper divisors (24614971).

73690565 is a wasteful number, since it uses less digits than its factorization.

73690565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36620.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 73690565 is about 8584.3208817005. The cubic root of 73690565 is about 419.2476421249.

The spelling of 73690565 in words is "seventy-three million, six hundred ninety thousand, five hundred sixty-five".