971708040 has 96 divisors (see below), whose sum is σ = 3209895000. Its totient is φ = 254868480.

The previous prime is 971708039. The next prime is 971708081. The reversal of 971708040 is 40807179.

971708040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 198979236 + 772728804 = 14106^2 + 27798^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 971707986 and 971708004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165 + ... + 44084.

Almost surely, 2^971708040 is an apocalyptic number.

971708040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 971708040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604947500).

971708040 is an abundant number, since it is smaller than the sum of its proper divisors (2238186960).

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

971708040 is a wasteful number, since it uses less digits than its factorization.

971708040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44327 (or 44320 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 971708040 is about 31172.2318738970. The cubic root of 971708040 is about 990.4789846254.

The spelling of 971708040 in words is "nine hundred seventy-one million, seven hundred eight thousand, forty".