73266145 has 8 divisors (see below), whose sum is σ = 88054056. Its totient is φ = 58523136.

The previous prime is 73266143. The next prime is 73266161. The reversal of 73266145 is 54166237.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61009 + 73205136 = 247^2 + 8556^2 .

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 73266145 - 2¹ = 73266143 is a prime.

It is a super-2 number, since 2×73266145² = 10735856006322050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73266145.

It is not an unprimeable number, because it can be changed into a prime (73266143) 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, 7522 + ... + 14251.

It is an arithmetic number, because the mean of its divisors is an integer number (11006757).

Almost surely, 2^73266145 is an apocalyptic number.

It is an amenable number.

73266145 is a deficient number, since it is larger than the sum of its proper divisors (14787911).

73266145 is a wasteful number, since it uses less digits than its factorization.

73266145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22451.

The product of its digits is 30240, while the sum is 34.

The square root of 73266145 is about 8559.5645333159. The cubic root of 73266145 is about 418.4412078573.

The spelling of 73266145 in words is "seventy-three million, two hundred sixty-six thousand, one hundred forty-five".