76662066 has 16 divisors (see below), whose sum is σ = 165118464. Its totient is φ = 23588304.

The previous prime is 76662031. The next prime is 76662071. The reversal of 76662066 is 66026667.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 491346 + ... + 491501.

It is an arithmetic number, because the mean of its divisors is an integer number (10319904).

Almost surely, 2^76662066 is an apocalyptic number.

76662066 is an abundant number, since it is smaller than the sum of its proper divisors (88456398).

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

76662066 is a wasteful number, since it uses less digits than its factorization.

76662066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982865.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 76662066 is about 8755.6876371876. The cubic root of 76662066 is about 424.8088016555.

The spelling of 76662066 in words is "seventy-six million, six hundred sixty-two thousand, sixty-six".