73634545 has 8 divisors (see below), whose sum is σ = 88505280. Its totient is φ = 58811760.

The previous prime is 73634521. The next prime is 73634549. The reversal of 73634545 is 54543637.

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

It is not a de Polignac number, because 73634545 - 2¹¹ = 73632497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73634549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8515 + ... + 14824.

It is an arithmetic number, because the mean of its divisors is an integer number (11063160).

Almost surely, 2^73634545 is an apocalyptic number.

It is an amenable number.

73634545 is a deficient number, since it is larger than the sum of its proper divisors (14870735).

73634545 is a wasteful number, since it uses less digits than its factorization.

73634545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23975.

The product of its digits is 151200, while the sum is 37.

The square root of 73634545 is about 8581.0573357833. The cubic root of 73634545 is about 419.1413770198.

The spelling of 73634545 in words is "seventy-three million, six hundred thirty-four thousand, five hundred forty-five".