73275405 has 32 divisors (see below), whose sum is σ = 137265408. Its totient is φ = 32678400.

The previous prime is 73275353. The next prime is 73275407. The reversal of 73275405 is 50457237.

It is not a de Polignac number, because 73275405 - 2⁶ = 73275341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73275407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4206 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (4289544).

Almost surely, 2^73275405 is an apocalyptic number.

It is an amenable number.

73275405 is a deficient number, since it is larger than the sum of its proper divisors (63990003).

73275405 is a wasteful number, since it uses less digits than its factorization.

73275405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17077.

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

The square root of 73275405 is about 8560.1054315937. The cubic root of 73275405 is about 418.4588358370.

The spelling of 73275405 in words is "seventy-three million, two hundred seventy-five thousand, four hundred five".