71372268 has 36 divisors (see below), whose sum is σ = 196815528. Its totient is φ = 21627840.

The previous prime is 71372221. The next prime is 71372299. The reversal of 71372268 is 86227317.

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 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 11 ways as a sum of consecutive naturals, for example, 89721 + ... + 90512.

It is an arithmetic number, because the mean of its divisors is an integer number (5467098).

Almost surely, 2^71372268 is an apocalyptic number.

It is an amenable number.

71372268 is an abundant number, since it is smaller than the sum of its proper divisors (125443260).

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

71372268 is a wasteful number, since it uses less digits than its factorization.

71372268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180254 (or 180249 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 71372268 is about 8448.2109348666. The cubic root of 71372268 is about 414.8042198419.

The spelling of 71372268 in words is "seventy-one million, three hundred seventy-two thousand, two hundred sixty-eight".