76941621 has 12 divisors (see below), whose sum is σ = 116987520. Its totient is φ = 48594600.

The previous prime is 76941619. The next prime is 76941649. The reversal of 76941621 is 12614967.

It is not a de Polignac number, because 76941621 - 2¹ = 76941619 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76941691) 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 11 ways as a sum of consecutive naturals, for example, 224805 + ... + 225146.

It is an arithmetic number, because the mean of its divisors is an integer number (9748960).

Almost surely, 2^76941621 is an apocalyptic number.

It is an amenable number.

76941621 is a deficient number, since it is larger than the sum of its proper divisors (40045899).

76941621 is a wasteful number, since it uses less digits than its factorization.

76941621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449976 (or 449973 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 76941621 is about 8771.6373044033. The cubic root of 76941621 is about 425.3245428789.

The spelling of 76941621 in words is "seventy-six million, nine hundred forty-one thousand, six hundred twenty-one".