766650672 has 60 divisors (see below), whose sum is σ = 2174978104. Its totient is φ = 252046080.

The previous prime is 766650667. The next prime is 766650713. The reversal of 766650672 is 276056667.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25954 + ... + 46977.

Almost surely, 2^766650672 is an apocalyptic number.

766650672 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

766650672 is an abundant number, since it is smaller than the sum of its proper divisors (1408327432).

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

766650672 is a wasteful number, since it uses less digits than its factorization.

766650672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73018 (or 73009 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 766650672 is about 27688.4573784817. The cubic root of 766650672 is about 915.2347619423.

The spelling of 766650672 in words is "seven hundred sixty-six million, six hundred fifty thousand, six hundred seventy-two".