71879090 has 32 divisors (see below), whose sum is σ = 137160000. Its totient is φ = 27044928.

The previous prime is 71879089. The next prime is 71879113. The reversal of 71879090 is 9097817.

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 15 ways as a sum of consecutive naturals, for example, 27041 + ... + 29579.

It is an arithmetic number, because the mean of its divisors is an integer number (4286250).

Almost surely, 2^71879090 is an apocalyptic number.

71879090 is a deficient number, since it is larger than the sum of its proper divisors (65280910).

71879090 is a wasteful number, since it uses less digits than its factorization.

71879090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 71879090 is about 8478.1536905154. The cubic root of 71879090 is about 415.7837610456.

The spelling of 71879090 in words is "seventy-one million, eight hundred seventy-nine thousand, ninety".