71900975860 has 48 divisors (see below), whose sum is σ = 172629160704. Its totient is φ = 24642217728.

The previous prime is 71900975851. The next prime is 71900975869. The reversal of 71900975860 is 6857900917.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71900975851) and next prime (71900975869).

It is a junction number, because it is equal to n+sod(n) for n = 71900975798 and 71900975807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71900975869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268257 + ... + 464503.

It is an arithmetic number, because the mean of its divisors is an integer number (3596440848).

Almost surely, 2^71900975860 is an apocalyptic number.

71900975860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71900975860 is an abundant number, since it is smaller than the sum of its proper divisors (100728184844).

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

71900975860 is a wasteful number, since it uses less digits than its factorization.

71900975860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198880 (or 198878 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 52.

The spelling of 71900975860 in words is "seventy-one billion, nine hundred million, nine hundred seventy-five thousand, eight hundred sixty".