76764673 has 8 divisors (see below), whose sum is σ = 81361800. Its totient is φ = 72176640.

The previous prime is 76764671. The next prime is 76764691. The reversal of 76764673 is 37646767.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5817744 + 70946929 = 2412^2 + 8423^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 76764673 - 2¹ = 76764671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76764671) 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, 23653 + ... + 26701.

It is an arithmetic number, because the mean of its divisors is an integer number (10170225).

Almost surely, 2^76764673 is an apocalyptic number.

It is an amenable number.

76764673 is a deficient number, since it is larger than the sum of its proper divisors (4597127).

76764673 is a wasteful number, since it uses less digits than its factorization.

76764673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547.

The product of its digits is 889056, while the sum is 46.

The square root of 76764673 is about 8761.5451262891. The cubic root of 76764673 is about 424.9982431300.

The spelling of 76764673 in words is "seventy-six million, seven hundred sixty-four thousand, six hundred seventy-three".