73993217 has 8 divisors (see below), whose sum is σ = 75120000. Its totient is φ = 72871344.

The previous prime is 73993169. The next prime is 73993219. The reversal of 73993217 is 71239937.

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-73993217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73993219) 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, 38483 + ... + 40359.

It is an arithmetic number, because the mean of its divisors is an integer number (9390000).

Almost surely, 2^73993217 is an apocalyptic number.

It is an amenable number.

73993217 is a deficient number, since it is larger than the sum of its proper divisors (1126783).

73993217 is a wasteful number, since it uses less digits than its factorization.

73993217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455.

The product of its digits is 71442, while the sum is 41.

The square root of 73993217 is about 8601.9310041409. The cubic root of 73993217 is about 419.8208173690.

The spelling of 73993217 in words is "seventy-three million, nine hundred ninety-three thousand, two hundred seventeen".