71226702450 has 162 divisors, whose sum is σ = 200410635789. Its totient is φ = 18134756640.

The previous prime is 71226702413. The next prime is 71226702487. The reversal of 71226702450 is 5420762217.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71226702413) and next prime (71226702487).

It can be written as a sum of positive squares in 2 ways, for example, as 69802168401 + 1424534049 = 264201^2 + 37743^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=188715.

It is an unprimeable number.

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 80 ways as a sum of consecutive naturals, for example, 130213077 + ... + 130213623.

Almost surely, 2^71226702450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71226702450

71226702450 is an abundant number, since it is smaller than the sum of its proper divisors (129183933339).

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

71226702450 is a wasteful number, since it uses less digits than its factorization.

71226702450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 71226702450 in words is "seventy-one billion, two hundred twenty-six million, seven hundred two thousand, four hundred fifty".