71502007950 has 72 divisors (see below), whose sum is σ = 192139241736. Its totient is φ = 19063512000.

The previous prime is 71502007943. The next prime is 71502008003. The reversal of 71502007950 is 5970020517.

It is a super-2 number, since 2×71502007950² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 2944860 + ... + 2969040.

Almost surely, 2^71502007950 is an apocalyptic number.

71502007950 is an abundant number, since it is smaller than the sum of its proper divisors (120637233786).

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

71502007950 is a wasteful number, since it uses less digits than its factorization.

71502007950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30770 (or 30762 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The spelling of 71502007950 in words is "seventy-one billion, five hundred two million, seven thousand, nine hundred fifty".