73616273 has 8 divisors (see below), whose sum is σ = 80053992. Its totient is φ = 67412736.

The previous prime is 73616251. The next prime is 73616287. The reversal of 73616273 is 37261637.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53831569 + 19784704 = 7337^2 + 4448^2 .

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 73616273 - 2⁶ = 73616209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73616233) 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, 57890 + ... + 59147.

It is an arithmetic number, because the mean of its divisors is an integer number (10006749).

Almost surely, 2^73616273 is an apocalyptic number.

It is an amenable number.

73616273 is a deficient number, since it is larger than the sum of its proper divisors (6437719).

73616273 is a wasteful number, since it uses less digits than its factorization.

73616273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117091.

The product of its digits is 31752, while the sum is 35.

The square root of 73616273 is about 8579.9925990644. The cubic root of 73616273 is about 419.1067049566.

The spelling of 73616273 in words is "seventy-three million, six hundred sixteen thousand, two hundred seventy-three".