73540245 has 16 divisors (see below), whose sum is σ = 117961920. Its totient is φ = 39122304.

The previous prime is 73540219. The next prime is 73540261. The reversal of 73540245 is 54204537.

It is not a de Polignac number, because 73540245 - 2⁸ = 73539989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142 + ... + 12128.

It is an arithmetic number, because the mean of its divisors is an integer number (7372620).

Almost surely, 2^73540245 is an apocalyptic number.

It is an amenable number.

73540245 is a deficient number, since it is larger than the sum of its proper divisors (44421675).

73540245 is a wasteful number, since it uses less digits than its factorization.

73540245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12404.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 73540245 is about 8575.5609145991. The cubic root of 73540245 is about 418.9623762694.

The spelling of 73540245 in words is "seventy-three million, five hundred forty thousand, two hundred forty-five".