73992566 has 8 divisors (see below), whose sum is σ = 111038904. Its totient is φ = 36979600.

The previous prime is 73992557. The next prime is 73992571. The reversal of 73992566 is 66529937.

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

It is a self number, because there is not a number n which added to its sum of digits gives 73992566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760 + ... + 12291.

It is an arithmetic number, because the mean of its divisors is an integer number (13879863).

Almost surely, 2^73992566 is an apocalyptic number.

73992566 is a deficient number, since it is larger than the sum of its proper divisors (37046338).

73992566 is a wasteful number, since it uses less digits than its factorization.

73992566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16686.

The product of its digits is 612360, while the sum is 47.

The square root of 73992566 is about 8601.8931637169. The cubic root of 73992566 is about 419.8195861563.

The spelling of 73992566 in words is "seventy-three million, nine hundred ninety-two thousand, five hundred sixty-six".