73074545 has 16 divisors (see below), whose sum is σ = 89731152. Its totient is φ = 57108480.

The previous prime is 73074527. The next prime is 73074557. The reversal of 73074545 is 54547037.

It can be written as a sum of positive squares in 8 ways, for example, as 15936064 + 57138481 = 3992^2 + 7559^2 .

It is a de Polignac number, because none of the positive numbers 2^k-73074545 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82505 + ... + 83385.

It is an arithmetic number, because the mean of its divisors is an integer number (5608197).

Almost surely, 2^73074545 is an apocalyptic number.

It is an amenable number.

73074545 is a deficient number, since it is larger than the sum of its proper divisors (16656607).

73074545 is a wasteful number, since it uses less digits than its factorization.

73074545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 73074545 is about 8548.3650483587. The cubic root of 73074545 is about 418.0761309865.

The spelling of 73074545 in words is "seventy-three million, seventy-four thousand, five hundred forty-five".