766611473 has 8 divisors (see below), whose sum is σ = 787785600. Its totient is φ = 745461360.

The previous prime is 766611463. The next prime is 766611509. The reversal of 766611473 is 374116667.

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 766611473 - 2⁶ = 766611409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 766611473.

It is not an unprimeable number, because it can be changed into a prime (766611463) 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, 72728 + ... + 82598.

It is an arithmetic number, because the mean of its divisors is an integer number (98473200).

Almost surely, 2^766611473 is an apocalyptic number.

It is an amenable number.

766611473 is a deficient number, since it is larger than the sum of its proper divisors (21174127).

766611473 is a wasteful number, since it uses less digits than its factorization.

766611473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12007.

The product of its digits is 127008, while the sum is 41.

The square root of 766611473 is about 27687.7495112911. The cubic root of 766611473 is about 915.2191629652.

The spelling of 766611473 in words is "seven hundred sixty-six million, six hundred eleven thousand, four hundred seventy-three".