970720520 has 256 divisors, whose sum is σ = 2896404480. Its totient is φ = 283852800.

The previous prime is 970720501. The next prime is 970720549. The reversal of 970720520 is 25027079.

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, 5029544 + ... + 5029736.

It is an arithmetic number, because the mean of its divisors is an integer number (11314080).

Almost surely, 2^970720520 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 970720520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448202240).

970720520 is an abundant number, since it is smaller than the sum of its proper divisors (1925683960).

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

970720520 is a wasteful number, since it uses less digits than its factorization.

970720520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 970720520 is about 31156.3881090219. The cubic root of 970720520 is about 990.1433387666.

Adding to 970720520 its reverse (25027079), we get a palindrome (995747599).

The spelling of 970720520 in words is "nine hundred seventy million, seven hundred twenty thousand, five hundred twenty".