76840194 has 64 divisors (see below), whose sum is σ = 167443200. Its totient is φ = 23443200.

The previous prime is 76840193. The next prime is 76840201. The reversal of 76840194 is 49104867.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76840193) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 515632 + ... + 515780.

It is an arithmetic number, because the mean of its divisors is an integer number (2616300).

Almost surely, 2^76840194 is an apocalyptic number.

76840194 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

76840194 is an abundant number, since it is smaller than the sum of its proper divisors (90603006).

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

76840194 is a wasteful number, since it uses less digits than its factorization.

76840194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 76840194 is about 8765.8538659962. The cubic root of 76840194 is about 425.1375683838.

The spelling of 76840194 in words is "seventy-six million, eight hundred forty thousand, one hundred ninety-four".