71442875620 has 96 divisors (see below), whose sum is σ = 152594114400. Its totient is φ = 28094791680.

The previous prime is 71442875611. The next prime is 71442875633. The reversal of 71442875620 is 2657824417.

It can be written as a sum of positive squares in 16 ways, for example, as 18998211556 + 52444664064 = 137834^2 + 229008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204707206 + ... + 204707554.

It is an arithmetic number, because the mean of its divisors is an integer number (1589522025).

Almost surely, 2^71442875620 is an apocalyptic number.

It is an amenable number.

71442875620 is an abundant number, since it is smaller than the sum of its proper divisors (81151238780).

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

71442875620 is a wasteful number, since it uses less digits than its factorization.

71442875620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 71442875620 in words is "seventy-one billion, four hundred forty-two million, eight hundred seventy-five thousand, six hundred twenty".