71899082 has 16 divisors (see below), whose sum is σ = 109523232. Its totient is φ = 35394480.

The previous prime is 71899063. The next prime is 71899099. The reversal of 71899082 is 28099817.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65357 + ... + 66447.

It is an arithmetic number, because the mean of its divisors is an integer number (6845202).

Almost surely, 2^71899082 is an apocalyptic number.

71899082 is a deficient number, since it is larger than the sum of its proper divisors (37624150).

71899082 is a wasteful number, since it uses less digits than its factorization.

71899082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 71899082 is about 8479.3326388343. The cubic root of 71899082 is about 415.8223053029.

The spelling of 71899082 in words is "seventy-one million, eight hundred ninety-nine thousand, eighty-two".