76660673 has 4 divisors (see below), whose sum is σ = 76694100. Its totient is φ = 76627248.

The previous prime is 76660651. The next prime is 76660699. The reversal of 76660673 is 37606667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59413264 + 17247409 = 7708^2 + 4153^2 .

It is a cyclic number.

It is not a de Polignac number, because 76660673 - 2⁶ = 76660609 is a prime.

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 76660673.

It is not an unprimeable number, because it can be changed into a prime (76663673) 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, 12998 + ... + 17951.

It is an arithmetic number, because the mean of its divisors is an integer number (19173525).

Almost surely, 2^76660673 is an apocalyptic number.

It is an amenable number.

76660673 is a deficient number, since it is larger than the sum of its proper divisors (33427).

76660673 is a wasteful number, since it uses less digits than its factorization.

76660673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33426.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 76660673 is about 8755.6080885339. The cubic root of 76660673 is about 424.8062286217.

The spelling of 76660673 in words is "seventy-six million, six hundred sixty thousand, six hundred seventy-three".