71242152576 has 64 divisors (see below), whose sum is σ = 216270828480. Its totient is φ = 20354899968.

The previous prime is 71242152451. The next prime is 71242152589. The reversal of 71242152576 is 67525124217.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13249201 + ... + 13254576.

It is an arithmetic number, because the mean of its divisors is an integer number (3379231695).

Almost surely, 2^71242152576 is an apocalyptic number.

It is an amenable number.

71242152576 is an abundant number, since it is smaller than the sum of its proper divisors (145028675904).

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

71242152576 is a wasteful number, since it uses less digits than its factorization.

71242152576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26503801 (or 26503789 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The spelling of 71242152576 in words is "seventy-one billion, two hundred forty-two million, one hundred fifty-two thousand, five hundred seventy-six".