76666622 has 8 divisors (see below), whose sum is σ = 115142472. Its totient is φ = 38285800.

The previous prime is 76666621. The next prime is 76666631. The reversal of 76666622 is 22666667.

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

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 76666622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76666621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21704 + ... + 24987.

It is an arithmetic number, because the mean of its divisors is an integer number (14392809).

Almost surely, 2^76666622 is an apocalyptic number.

76666622 is a deficient number, since it is larger than the sum of its proper divisors (38475850).

76666622 is a wasteful number, since it uses less digits than its factorization.

76666622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47514.

The product of its digits is 217728, while the sum is 41.

The square root of 76666622 is about 8755.9478070624. The cubic root of 76666622 is about 424.8172169020.

The spelling of 76666622 in words is "seventy-six million, six hundred sixty-six thousand, six hundred twenty-two".