73238540579 has 8 divisors (see below), whose sum is σ = 76432453152. Its totient is φ = 70045430400.

The previous prime is 73238540569. The next prime is 73238540581. The reversal of 73238540579 is 97504583237.

It is a happy number.

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 73238540579 - 2²⁸ = 72970105123 is a prime.

It is a super-2 number, since 2×73238540579² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73238540579.

It is not an unprimeable number, because it can be changed into a prime (73238540509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10214 + ... + 382859.

It is an arithmetic number, because the mean of its divisors is an integer number (9554056644).

Almost surely, 2^73238540579 is an apocalyptic number.

73238540579 is a deficient number, since it is larger than the sum of its proper divisors (3193912573).

73238540579 is a wasteful number, since it uses less digits than its factorization.

73238540579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401197.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 73238540579 in words is "seventy-three billion, two hundred thirty-eight million, five hundred forty thousand, five hundred seventy-nine".