71443050 has 48 divisors (see below), whose sum is σ = 202492992. Its totient is φ = 16329600.

The previous prime is 71443049. The next prime is 71443079. The reversal of 71443050 is 5034417.

It is a self number, because there is not a number n which added to its sum of digits gives 71443050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32971 + ... + 35070.

It is an arithmetic number, because the mean of its divisors is an integer number (4218604).

Almost surely, 2^71443050 is an apocalyptic number.

71443050 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71443050 is an abundant number, since it is smaller than the sum of its proper divisors (131049942).

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

71443050 is a wasteful number, since it uses less digits than its factorization.

71443050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68063 (or 68058 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 71443050 is about 8452.3990677204. The cubic root of 71443050 is about 414.9412990955.

Adding to 71443050 its reverse (5034417), we get a palindrome (76477467).

The spelling of 71443050 in words is "seventy-one million, four hundred forty-three thousand, fifty".