73270545 has 16 divisors (see below), whose sum is σ = 120402240. Its totient is φ = 38021184.

The previous prime is 73270543. The next prime is 73270573. The reversal of 73270545 is 54507237.

It is not a de Polignac number, because 73270545 - 2¹ = 73270543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73270543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65455 + ... + 66564.

It is an arithmetic number, because the mean of its divisors is an integer number (7525140).

Almost surely, 2^73270545 is an apocalyptic number.

It is an amenable number.

73270545 is a deficient number, since it is larger than the sum of its proper divisors (47131695).

73270545 is a wasteful number, since it uses less digits than its factorization.

73270545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132064.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 73270545 is about 8559.8215518783. The cubic root of 73270545 is about 418.4495841884.

The spelling of 73270545 in words is "seventy-three million, two hundred seventy thousand, five hundred forty-five".