73540263 has 8 divisors (see below), whose sum is σ = 98093808. Its totient is φ = 49006784.

The previous prime is 73540261. The next prime is 73540267. The reversal of 73540263 is 36204537.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73540263 - 2¹ = 73540261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73540263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73540261) 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 7 ways as a sum of consecutive naturals, for example, 9745 + ... + 15557.

It is an arithmetic number, because the mean of its divisors is an integer number (12261726).

Almost surely, 2^73540263 is an apocalyptic number.

73540263 is a deficient number, since it is larger than the sum of its proper divisors (24553545).

73540263 is a wasteful number, since it uses less digits than its factorization.

73540263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 73540263 is about 8575.5619640931. The cubic root of 73540263 is about 418.9624104517.

The spelling of 73540263 in words is "seventy-three million, five hundred forty thousand, two hundred sixty-three".