73516223 has 4 divisors (see below), whose sum is σ = 80199528. Its totient is φ = 66832920.

The previous prime is 73516217. The next prime is 73516229. The reversal of 73516223 is 32261537.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (73516217) and next prime (73516229).

It is a de Polignac number, because none of the positive numbers 2^k-73516223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73516229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3341636 + ... + 3341657.

It is an arithmetic number, because the mean of its divisors is an integer number (20049882).

Almost surely, 2^73516223 is an apocalyptic number.

73516223 is a deficient number, since it is larger than the sum of its proper divisors (6683305).

73516223 is a wasteful number, since it uses less digits than its factorization.

73516223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6683304.

The product of its digits is 7560, while the sum is 29.

The square root of 73516223 is about 8574.1601921121. The cubic root of 73516223 is about 418.9167531314.

The spelling of 73516223 in words is "seventy-three million, five hundred sixteen thousand, two hundred twenty-three".