72680183773 has 4 divisors (see below), whose sum is σ = 72680791968. Its totient is φ = 72679575580.

The previous prime is 72680183761. The next prime is 72680183777. The reversal of 72680183773 is 37738108627.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37738108627 = 461 ⋅81861407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72680183773 is a prime.

It is a super-2 number, since 2×72680183773² (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 72680183773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72680183777) 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, 58993 + ... + 385798.

It is an arithmetic number, because the mean of its divisors is an integer number (18170197992).

Almost surely, 2^72680183773 is an apocalyptic number.

It is an amenable number.

72680183773 is a deficient number, since it is larger than the sum of its proper divisors (608195).

72680183773 is a wasteful number, since it uses less digits than its factorization.

72680183773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608194.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 72680183773 in words is "seventy-two billion, six hundred eighty million, one hundred eighty-three thousand, seven hundred seventy-three".