71823968 has 12 divisors (see below), whose sum is σ = 141403500. Its totient is φ = 35911968.

The previous prime is 71823959. The next prime is 71823977. The reversal of 71823968 is 86932817.

It is an interprime number because it is at equal distance from previous prime (71823959) and next prime (71823977).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122218 + ... + 1122281.

It is an arithmetic number, because the mean of its divisors is an integer number (11783625).

Almost surely, 2^71823968 is an apocalyptic number.

It is an amenable number.

71823968 is a deficient number, since it is larger than the sum of its proper divisors (69579532).

71823968 is a wasteful number, since it uses less digits than its factorization.

71823968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244509 (or 2244501 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 71823968 is about 8474.9022413241. The cubic root of 71823968 is about 415.6774496757.

The spelling of 71823968 in words is "seventy-one million, eight hundred twenty-three thousand, nine hundred sixty-eight".