67736040819 has 8 divisors (see below), whose sum is σ = 94241448192. Its totient is φ = 43193997000.

The previous prime is 67736040817. The next prime is 67736040857. The reversal of 67736040819 is 91804063776.

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

It is not a de Polignac number, because 67736040819 - 2¹ = 67736040817 is a prime.

It is a super-2 number, since 2×67736040819² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67736040811) 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, 490840807 + ... + 490840944.

It is an arithmetic number, because the mean of its divisors is an integer number (11780181024).

Almost surely, 2^67736040819 is an apocalyptic number.

67736040819 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

67736040819 is a deficient number, since it is larger than the sum of its proper divisors (26505407373).

67736040819 is a wasteful number, since it uses less digits than its factorization.

67736040819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981681777.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 67736040819 in words is "sixty-seven billion, seven hundred thirty-six million, forty thousand, eight hundred nineteen".