71436073650 has 48 divisors (see below), whose sum is σ = 186485757600. Its totient is φ = 18047007360.

The previous prime is 71436073649. The next prime is 71436073651. The reversal of 71436073650 is 5637063417.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71436073649) and next prime (71436073651).

It is a super-2 number, since 2×71436073650² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71436073651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12529795 + ... + 12535494.

It is an arithmetic number, because the mean of its divisors is an integer number (3885119950).

Almost surely, 2^71436073650 is an apocalyptic number.

71436073650 is an abundant number, since it is smaller than the sum of its proper divisors (115049683950).

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

71436073650 is a wasteful number, since it uses less digits than its factorization.

71436073650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25065323 (or 25065318 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 71436073650 in words is "seventy-one billion, four hundred thirty-six million, seventy-three thousand, six hundred fifty".