9713405940 has 192 divisors, whose sum is σ = 33715035648. Its totient is φ = 2038579200.

The previous prime is 9713405909. The next prime is 9713405953. The reversal of 9713405940 is 495043179.

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

It is a junction number, because it is equal to n+sod(n) for n = 9713405892 and 9713405901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 276150 + ... + 309330.

It is an arithmetic number, because the mean of its divisors is an integer number (175599144).

Almost surely, 2^9713405940 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 9713405940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16857517824).

9713405940 is an abundant number, since it is smaller than the sum of its proper divisors (24001629708).

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

9713405940 is a wasteful number, since it uses less digits than its factorization.

9713405940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33258 (or 33256 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 9713405940 is about 98556.6128679349. The cubic root of 9713405940 is about 2133.6532733589.

The spelling of 9713405940 in words is "nine billion, seven hundred thirteen million, four hundred five thousand, nine hundred forty".