71394246 has 48 divisors (see below), whose sum is σ = 192860928. Its totient is φ = 18543600.

The previous prime is 71394227. The next prime is 71394283. The reversal of 71394246 is 64249317.

It is a self number, because there is not a number n which added to its sum of digits gives 71394246.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 24370 + ... + 27141.

It is an arithmetic number, because the mean of its divisors is an integer number (4017936).

Almost surely, 2^71394246 is an apocalyptic number.

71394246 is an abundant number, since it is smaller than the sum of its proper divisors (121466682).

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

71394246 is a wasteful number, since it uses less digits than its factorization.

71394246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51537 (or 51534 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 71394246 is about 8449.5115835177. The cubic root of 71394246 is about 414.8467930139.

Subtracting from 71394246 its reverse (64249317), we obtain a square (7144929 = 2673²).

The spelling of 71394246 in words is "seventy-one million, three hundred ninety-four thousand, two hundred forty-six".