71422562500 has 63 divisors (see below), whose sum is σ = 156381142827. Its totient is φ = 28542300000.

The previous prime is 71422562489. The next prime is 71422562509. The reversal of 71422562500 is 526522417.

The square root of 71422562500 is 267250.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 57453213636 + 13969348864 = 239694^2 + 118192^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71422562509) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 66811966 + ... + 66813034.

Almost surely, 2^71422562500 is an apocalyptic number.

71422562500 is the 267250-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71422562500

71422562500 is an abundant number, since it is smaller than the sum of its proper divisors (84958580327).

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

71422562500 is an frugal number, since it uses more digits than its factorization.

71422562500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 71422562500 in words is "seventy-one billion, four hundred twenty-two million, five hundred sixty-two thousand, five hundred".