71248608 has 36 divisors (see below), whose sum is σ = 202614048. Its totient is φ = 23749440.

The previous prime is 71248607. The next prime is 71248637. The reversal of 71248608 is 80684217.

71248608 is a `hidden beast` number, since 7 + 1 + 2 + 48 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71248601) 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 5 ways as a sum of consecutive naturals, for example, 123408 + ... + 123983.

It is an arithmetic number, because the mean of its divisors is an integer number (5628168).

Almost surely, 2^71248608 is an apocalyptic number.

It is an amenable number.

71248608 is an abundant number, since it is smaller than the sum of its proper divisors (131365440).

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

71248608 is a wasteful number, since it uses less digits than its factorization.

71248608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247407 (or 247396 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 71248608 is about 8440.8890527006. The cubic root of 71248608 is about 414.5645172968.

The spelling of 71248608 in words is "seventy-one million, two hundred forty-eight thousand, six hundred eight".