71368648 has 32 divisors (see below), whose sum is σ = 147470400. Its totient is φ = 32171328.

The previous prime is 71368639. The next prime is 71368657. The reversal of 71368648 is 84686317.

It is an interprime number because it is at equal distance from previous prime (71368639) and next prime (71368657).

It is a Harshad number since it is a multiple of its sum of digits (43).

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 in 7 ways as a sum of consecutive naturals, for example, 3508 + ... + 12451.

It is an arithmetic number, because the mean of its divisors is an integer number (4608450).

Almost surely, 2^71368648 is an apocalyptic number.

It is an amenable number.

71368648 is an abundant number, since it is smaller than the sum of its proper divisors (76101752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71368648 is a wasteful number, since it uses less digits than its factorization.

71368648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16021 (or 16017 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 71368648 is about 8447.9966856054. The cubic root of 71368648 is about 414.7972067694.

The spelling of 71368648 in words is "seventy-one million, three hundred sixty-eight thousand, six hundred forty-eight".