76642078 has 8 divisors (see below), whose sum is σ = 115277472. Its totient is φ = 38216256.

The previous prime is 76642063. The next prime is 76642091. The reversal of 76642078 is 87024667.

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

It is a self number, because there is not a number n which added to its sum of digits gives 76642078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51475 + ... + 52942.

It is an arithmetic number, because the mean of its divisors is an integer number (14409684).

Almost surely, 2^76642078 is an apocalyptic number.

76642078 is a deficient number, since it is larger than the sum of its proper divisors (38635394).

76642078 is a wasteful number, since it uses less digits than its factorization.

76642078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104786.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 76642078 is about 8754.5461332955. The cubic root of 76642078 is about 424.7718784989.

The spelling of 76642078 in words is "seventy-six million, six hundred forty-two thousand, seventy-eight".