72773867066 has 16 divisors (see below), whose sum is σ = 111074842080. Its totient is φ = 35749629360.

The previous prime is 72773867021. The next prime is 72773867077. The reversal of 72773867066 is 66076837727.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72773866996 and 72773867014.

It is an unprimeable number.

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, 29636 + ... + 382656.

It is an arithmetic number, because the mean of its divisors is an integer number (6942177630).

Almost surely, 2^72773867066 is an apocalyptic number.

72773867066 is a deficient number, since it is larger than the sum of its proper divisors (38300975014).

72773867066 is a wasteful number, since it uses less digits than its factorization.

72773867066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354829.

The product of its (nonzero) digits is 24893568, while the sum is 59.

The spelling of 72773867066 in words is "seventy-two billion, seven hundred seventy-three million, eight hundred sixty-seven thousand, sixty-six".