71303044 has 12 divisors (see below), whose sum is σ = 124910604. Its totient is φ = 35614304.

The previous prime is 71303041. The next prime is 71303047. The reversal of 71303044 is 44030317.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71303041) and next prime (71303047).

It can be written as a sum of positive squares in 2 ways, for example, as 743044 + 70560000 = 862^2 + 8400^2 .

It is not an unprimeable number, because it can be changed into a prime (71303041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4747 + ... + 12850.

It is an arithmetic number, because the mean of its divisors is an integer number (10409217).

Almost surely, 2^71303044 is an apocalyptic number.

It is an amenable number.

71303044 is a deficient number, since it is larger than the sum of its proper divisors (53607560).

71303044 is a wasteful number, since it uses less digits than its factorization.

71303044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18614 (or 18612 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 71303044 is about 8444.1129788747. The cubic root of 71303044 is about 414.6700701855.

The spelling of 71303044 in words is "seventy-one million, three hundred three thousand, forty-four".