76767650 has 12 divisors (see below), whose sum is σ = 142787922. Its totient is φ = 30707040.

The previous prime is 76767617. The next prime is 76767659. The reversal of 76767650 is 5676767.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 73736569 + 3031081 = 8587^2 + 1741^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (76767659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767627 + ... + 767726.

Almost surely, 2^76767650 is an apocalyptic number.

76767650 is a deficient number, since it is larger than the sum of its proper divisors (66020272).

76767650 is a wasteful number, since it uses less digits than its factorization.

76767650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535365 (or 1535360 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 76767650 is about 8761.7150147674. The cubic root of 76767650 is about 425.0037369914.

The spelling of 76767650 in words is "seventy-six million, seven hundred sixty-seven thousand, six hundred fifty".