71914750530 has 192 divisors, whose sum is σ = 211901339520. Its totient is φ = 15531264000.

The previous prime is 71914750529. The next prime is 71914750547. The reversal of 71914750530 is 3505741917.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11196720 + ... + 11203140.

It is an arithmetic number, because the mean of its divisors is an integer number (1103652810).

Almost surely, 2^71914750530 is an apocalyptic number.

71914750530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 71914750530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105950669760).

71914750530 is an abundant number, since it is smaller than the sum of its proper divisors (139986588990).

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

71914750530 is a wasteful number, since it uses less digits than its factorization.

71914750530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865 (or 6858 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 42.

The spelling of 71914750530 in words is "seventy-one billion, nine hundred fourteen million, seven hundred fifty thousand, five hundred thirty".