71242534002 has 32 divisors (see below), whose sum is σ = 142864323264. Its totient is φ = 23684356800.

The previous prime is 71242533959. The next prime is 71242534003. The reversal of 71242534002 is 20043524217.

It is a super-2 number, since 2×71242534002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71242534003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6554052 + ... + 6564912.

It is an arithmetic number, because the mean of its divisors is an integer number (4464510102).

Almost surely, 2^71242534002 is an apocalyptic number.

71242534002 is an abundant number, since it is smaller than the sum of its proper divisors (71621789262).

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

71242534002 is a wasteful number, since it uses less digits than its factorization.

71242534002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674.

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 71242534002 in words is "seventy-one billion, two hundred forty-two million, five hundred thirty-four thousand, two".