71744368 has 10 divisors (see below), whose sum is σ = 139004744. Its totient is φ = 35872176.

The previous prime is 71744359. The next prime is 71744371. The reversal of 71744368 is 86344717.

It is a self number, because there is not a number n which added to its sum of digits gives 71744368.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2241996 + ... + 2242027.

Almost surely, 2^71744368 is an apocalyptic number.

It is an amenable number.

71744368 is a deficient number, since it is larger than the sum of its proper divisors (67260376).

71744368 is a wasteful number, since it uses less digits than its factorization.

71744368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484031 (or 4484025 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 71744368 is about 8470.2047200761. The cubic root of 71744368 is about 415.5238326365.

The spelling of 71744368 in words is "seventy-one million, seven hundred forty-four thousand, three hundred sixty-eight".