76722650 has 12 divisors (see below), whose sum is σ = 142704222. Its totient is φ = 30689040.

The previous prime is 76722643. The next prime is 76722691. The reversal of 76722650 is 5622767.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 44448889 + 32273761 = 6667^2 + 5681^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76722650.

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 5 ways as a sum of consecutive naturals, for example, 767177 + ... + 767276.

Almost surely, 2^76722650 is an apocalyptic number.

76722650 is a deficient number, since it is larger than the sum of its proper divisors (65981572).

76722650 is a wasteful number, since it uses less digits than its factorization.

76722650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534465 (or 1534460 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 76722650 is about 8759.1466479332. The cubic root of 76722650 is about 424.9206772375.

The spelling of 76722650 in words is "seventy-six million, seven hundred twenty-two thousand, six hundred fifty".