71878294 has 8 divisors (see below), whose sum is σ = 108269280. Its totient is φ = 35788536.

The previous prime is 71878277. The next prime is 71878297. The reversal of 71878294 is 49287817.

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 (71878297) 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 3 ways as a sum of consecutive naturals, for example, 74709 + ... + 75664.

It is an arithmetic number, because the mean of its divisors is an integer number (13533660).

Almost surely, 2^71878294 is an apocalyptic number.

71878294 is a deficient number, since it is larger than the sum of its proper divisors (36390986).

71878294 is a wasteful number, since it uses less digits than its factorization.

71878294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150614.

The product of its digits is 225792, while the sum is 46.

The square root of 71878294 is about 8478.1067462022. The cubic root of 71878294 is about 415.7822262224.

The spelling of 71878294 in words is "seventy-one million, eight hundred seventy-eight thousand, two hundred ninety-four".