73255545 has 48 divisors (see below), whose sum is σ = 145828800. Its totient is φ = 33644160.

The previous prime is 73255543. The next prime is 73255547. The reversal of 73255545 is 54555237.

It is an interprime number because it is at equal distance from previous prime (73255543) and next prime (73255547).

It is not a de Polignac number, because 73255545 - 2¹ = 73255543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73255543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5511 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (3038100).

Almost surely, 2^73255545 is an apocalyptic number.

It is an amenable number.

73255545 is a deficient number, since it is larger than the sum of its proper divisors (72573255).

73255545 is a wasteful number, since it uses less digits than its factorization.

73255545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830 (or 7827 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 73255545 is about 8558.9453205404. The cubic root of 73255545 is about 418.4210271371.

The spelling of 73255545 in words is "seventy-three million, two hundred fifty-five thousand, five hundred forty-five".