766667622 has 48 divisors (see below), whose sum is σ = 1786060800. Its totient is φ = 218755152.

The previous prime is 766667621. The next prime is 766667633. The reversal of 766667622 is 226766667.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766667621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318379 + ... + 320777.

It is an arithmetic number, because the mean of its divisors is an integer number (37209600).

Almost surely, 2^766667622 is an apocalyptic number.

766667622 is an abundant number, since it is smaller than the sum of its proper divisors (1019393178).

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

766667622 is a wasteful number, since it uses less digits than its factorization.

766667622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505 (or 3498 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 48.

The square root of 766667622 is about 27688.7634610143. The cubic root of 766667622 is about 915.2415069156.

The spelling of 766667622 in words is "seven hundred sixty-six million, six hundred sixty-seven thousand, six hundred twenty-two".