71253003770 has 64 divisors (see below), whose sum is σ = 145306224000. Its totient is φ = 24970987776.

The previous prime is 71253003749. The next prime is 71253003817. The reversal of 71253003770 is 7730035217.

It is a self number, because there is not a number n which added to its sum of digits gives 71253003770.

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 31 ways as a sum of consecutive naturals, for example, 62261 + ... + 382599.

It is an arithmetic number, because the mean of its divisors is an integer number (2270409750).

Almost surely, 2^71253003770 is an apocalyptic number.

71253003770 is an abundant number, since it is smaller than the sum of its proper divisors (74053220230).

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

71253003770 is a wasteful number, since it uses less digits than its factorization.

71253003770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320447.

The product of its (nonzero) digits is 30870, while the sum is 35.

Adding to 71253003770 its reverse (7730035217), we get a palindrome (78983038987).

The spelling of 71253003770 in words is "seventy-one billion, two hundred fifty-three million, three thousand, seven hundred seventy".