71385016 has 32 divisors (see below), whose sum is σ = 137345040. Its totient is φ = 34771968.

The previous prime is 71384987. The next prime is 71385019. The reversal of 71385016 is 61058317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71385019) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 51306 + ... + 52678.

Almost surely, 2^71385016 is an apocalyptic number.

It is an amenable number.

71385016 is a deficient number, since it is larger than the sum of its proper divisors (65960024).

71385016 is a wasteful number, since it uses less digits than its factorization.

71385016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 71385016 is about 8448.9653804475. The cubic root of 71385016 is about 414.8289148182.

The spelling of 71385016 in words is "seventy-one million, three hundred eighty-five thousand, sixteen".