73255771 has 4 divisors (see below), whose sum is σ = 77564952. Its totient is φ = 68946592.

The previous prime is 73255747. The next prime is 73255781. The reversal of 73255771 is 17755237.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17755237 = 47 ⋅377771.

It is a cyclic number.

It is not a de Polignac number, because 73255771 - 2¹⁷ = 73124699 is a prime.

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 73255771.

It is not an unprimeable number, because it can be changed into a prime (73255781) 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, 2154565 + ... + 2154598.

It is an arithmetic number, because the mean of its divisors is an integer number (19391238).

Almost surely, 2^73255771 is an apocalyptic number.

73255771 is a deficient number, since it is larger than the sum of its proper divisors (4309181).

73255771 is a wasteful number, since it uses less digits than its factorization.

73255771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309180.

The product of its digits is 51450, while the sum is 37.

The square root of 73255771 is about 8558.9585230915. The cubic root of 73255771 is about 418.4214574256.

The spelling of 73255771 in words is "seventy-three million, two hundred fifty-five thousand, seven hundred seventy-one".