73964323772353 has 4 divisors (see below), whose sum is σ = 84530655739840. Its totient is φ = 63397991804868.

The previous prime is 73964323772321. The next prime is 73964323772359. The reversal of 73964323772353 is 35327732346937.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 73964323772353 - 2⁵ = 73964323772321 is a prime.

It is a super-2 number, since 2×73964323772353² (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 (73964323772359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5283165983733 + ... + 5283165983746.

It is an arithmetic number, because the mean of its divisors is an integer number (21132663934960).

Almost surely, 2^{73964323772353} is an apocalyptic number.

It is an amenable number.

73964323772353 is a deficient number, since it is larger than the sum of its proper divisors (10566331967487).

73964323772353 is a wasteful number, since it uses less digits than its factorization.

73964323772353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566331967486.

The product of its digits is 360067680, while the sum is 64.

The spelling of 73964323772353 in words is "seventy-three trillion, nine hundred sixty-four billion, three hundred twenty-three million, seven hundred seventy-two thousand, three hundred fifty-three".