76371666 has 16 divisors (see below), whose sum is σ = 174563904. Its totient is φ = 21820464.

The previous prime is 76371641. The next prime is 76371671. The reversal of 76371666 is 66617367.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1818373 = 76371666 / (7 + 6 + 3 + 7 + 1 + 6 + 6 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 909145 + ... + 909228.

It is an arithmetic number, because the mean of its divisors is an integer number (10910244).

Almost surely, 2^76371666 is an apocalyptic number.

76371666 is an abundant number, since it is smaller than the sum of its proper divisors (98192238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76371666 is a wasteful number, since it uses less digits than its factorization.

76371666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818385.

The product of its digits is 190512, while the sum is 42.

The square root of 76371666 is about 8739.0883963947. The cubic root of 76371666 is about 424.2717234476.

The spelling of 76371666 in words is "seventy-six million, three hundred seventy-one thousand, six hundred sixty-six".