76640927 has 8 divisors (see below), whose sum is σ = 88008960. Its totient is φ = 66006360.

The previous prime is 76640909. The next prime is 76640929. The reversal of 76640927 is 72904667.

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

It is a cyclic number.

It is not a de Polignac number, because 76640927 - 2¹⁰ = 76639903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76640929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183143 + ... + 183560.

It is an arithmetic number, because the mean of its divisors is an integer number (11001120).

Almost surely, 2^76640927 is an apocalyptic number.

76640927 is a deficient number, since it is larger than the sum of its proper divisors (11368033).

76640927 is a wasteful number, since it uses less digits than its factorization.

76640927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366733.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 76640927 is about 8754.4803957745. The cubic root of 76640927 is about 424.7697521001.

The spelling of 76640927 in words is "seventy-six million, six hundred forty thousand, nine hundred twenty-seven".