71659042 has 48 divisors (see below), whose sum is σ = 137452032. Its totient is φ = 27406080.

The previous prime is 71659009. The next prime is 71659061. The reversal of 71659042 is 24095617.

It is a junction number, because it is equal to n+sod(n) for n = 71658989 and 71659007.

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 23 ways as a sum of consecutive naturals, for example, 72858 + ... + 73834.

It is an arithmetic number, because the mean of its divisors is an integer number (2863584).

Almost surely, 2^71659042 is an apocalyptic number.

71659042 is a deficient number, since it is larger than the sum of its proper divisors (65792990).

71659042 is a wasteful number, since it uses less digits than its factorization.

71659042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 71659042 is about 8465.1663893866. The cubic root of 71659042 is about 415.3590389743.

The spelling of 71659042 in words is "seventy-one million, six hundred fifty-nine thousand, forty-two".