71992253763 has 12 divisors (see below), whose sum is σ = 106657256280. Its totient is φ = 47993906376.

The previous prime is 71992253623. The next prime is 71992253771. The reversal of 71992253763 is 36735229917.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

71992253763 is a `hidden beast` number, since 7 + 19 + 92 + 2 + 537 + 6 + 3 = 666.

It is not a de Polignac number, because 71992253763 - 2⁸ = 71992253507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71992252763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1368381 + ... + 1420017.

It is an arithmetic number, because the mean of its divisors is an integer number (8888104690).

Almost surely, 2^71992253763 is an apocalyptic number.

71992253763 is a deficient number, since it is larger than the sum of its proper divisors (34665002517).

71992253763 is an frugal number, since it uses more digits than its factorization.

71992253763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103283 (or 51640 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 54.

The spelling of 71992253763 in words is "seventy-one billion, nine hundred ninety-two million, two hundred fifty-three thousand, seven hundred sixty-three".