766676670 has 64 divisors (see below), whose sum is σ = 1913877504. Its totient is φ = 196398720.

The previous prime is 766676663. The next prime is 766676681. The reversal of 766676670 is 76676667.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73819 + ... + 83561.

It is an arithmetic number, because the mean of its divisors is an integer number (29904336).

Almost surely, 2^766676670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 766676670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956938752).

766676670 is an abundant number, since it is smaller than the sum of its proper divisors (1147200834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766676670 is a wasteful number, since it uses less digits than its factorization.

766676670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9857.

The product of its (nonzero) digits is 2667168, while the sum is 51.

The square root of 766676670 is about 27688.9268481102. The cubic root of 766676670 is about 915.2451073774.

The spelling of 766676670 in words is "seven hundred sixty-six million, six hundred seventy-six thousand, six hundred seventy".