71393268 has 24 divisors (see below), whose sum is σ = 176383872. Its totient is φ = 22397824.

The previous prime is 71393249. The next prime is 71393281. The reversal of 71393268 is 86239317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174780 + ... + 175187.

It is an arithmetic number, because the mean of its divisors is an integer number (7349328).

Almost surely, 2^71393268 is an apocalyptic number.

It is an amenable number.

71393268 is an abundant number, since it is smaller than the sum of its proper divisors (104990604).

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

71393268 is a wasteful number, since it uses less digits than its factorization.

71393268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349991 (or 349989 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 71393268 is about 8449.4537101519. The cubic root of 71393268 is about 414.8448987342.

The spelling of 71393268 in words is "seventy-one million, three hundred ninety-three thousand, two hundred sixty-eight".