71435379480 has 128 divisors (see below), whose sum is σ = 221497528320. Its totient is φ = 18411747840.

The previous prime is 71435379479. The next prime is 71435379503. The reversal of 71435379480 is 8497353417.

It is a happy number.

It is a congruent number.

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, 3049894 + ... + 3073226.

It is an arithmetic number, because the mean of its divisors is an integer number (1730449440).

Almost surely, 2^71435379480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71435379480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110748764160).

71435379480 is an abundant number, since it is smaller than the sum of its proper divisors (150062148840).

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

71435379480 is a wasteful number, since it uses less digits than its factorization.

71435379480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24201 (or 24197 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 71435379480 in words is "seventy-one billion, four hundred thirty-five million, three hundred seventy-nine thousand, four hundred eighty".