76428766 has 8 divisors (see below), whose sum is σ = 114714504. Its totient is φ = 38190600.

The previous prime is 76428763. The next prime is 76428827. The reversal of 76428766 is 66782467.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76428763) 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, 7560 + ... + 14491.

It is an arithmetic number, because the mean of its divisors is an integer number (14339313).

Almost surely, 2^76428766 is an apocalyptic number.

76428766 is a deficient number, since it is larger than the sum of its proper divisors (38285738).

76428766 is a wasteful number, since it uses less digits than its factorization.

76428766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23786.

The product of its digits is 677376, while the sum is 46.

The square root of 76428766 is about 8742.3547171228. The cubic root of 76428766 is about 424.3774340320.

The spelling of 76428766 in words is "seventy-six million, four hundred twenty-eight thousand, seven hundred sixty-six".