71653016 has 32 divisors (see below), whose sum is σ = 140078640. Its totient is φ = 34328448.

The previous prime is 71652991. The next prime is 71653031. The reversal of 71653016 is 61035617.

It is a self number, because there is not a number n which added to its sum of digits gives 71653016.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18026 + ... + 21638.

Almost surely, 2^71653016 is an apocalyptic number.

It is an amenable number.

71653016 is a deficient number, since it is larger than the sum of its proper divisors (68425624).

71653016 is a wasteful number, since it uses less digits than its factorization.

71653016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 71653016 is about 8464.8104526918. The cubic root of 71653016 is about 415.3473957647.

The spelling of 71653016 in words is "seventy-one million, six hundred fifty-three thousand, sixteen".