73239948942553 has 8 divisors (see below), whose sum is σ = 74943869219648. Its totient is φ = 71536058922384.

The previous prime is 73239948942527. The next prime is 73239948942581. The reversal of 73239948942553 is 35524984993237.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73239948942553 is a prime.

It is a super-2 number, since 2×73239948942553² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73239948946553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629701 + ... + 12385282.

It is an arithmetic number, because the mean of its divisors is an integer number (9367983652456).

Almost surely, 2^{73239948942553} is an apocalyptic number.

It is an amenable number.

73239948942553 is a deficient number, since it is larger than the sum of its proper divisors (1703920277095).

73239948942553 is a wasteful number, since it uses less digits than its factorization.

73239948942553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15128463.

The product of its digits is 1763596800, while the sum is 73.

The spelling of 73239948942553 in words is "seventy-three trillion, two hundred thirty-nine billion, nine hundred forty-eight million, nine hundred forty-two thousand, five hundred fifty-three".