73664670766 has 8 divisors (see below), whose sum is σ = 112146215400. Its totient is φ = 36282598968.

The previous prime is 73664670763. The next prime is 73664670817. The reversal of 73664670766 is 66707646637.

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

It is a self number, because there is not a number n which added to its sum of digits gives 73664670766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73664670763) 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, 274868041 + ... + 274868308.

It is an arithmetic number, because the mean of its divisors is an integer number (14018276925).

Almost surely, 2^73664670766 is an apocalyptic number.

73664670766 is a deficient number, since it is larger than the sum of its proper divisors (38481544634).

73664670766 is a wasteful number, since it uses less digits than its factorization.

73664670766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549736418.

The product of its (nonzero) digits is 32006016, while the sum is 58.

The spelling of 73664670766 in words is "seventy-three billion, six hundred sixty-four million, six hundred seventy thousand, seven hundred sixty-six".