1970526720 has 80 divisors (see below), whose sum is σ = 6299552160. Its totient is φ = 525471744.

The previous prime is 1970526709. The next prime is 1970526731. The reversal of 1970526720 is 276250791.

It is an interprime number because it is at equal distance from previous prime (1970526709) and next prime (1970526731).

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120610 + ... + 135969.

It is an arithmetic number, because the mean of its divisors is an integer number (78744402).

Almost surely, 2^1970526720 is an apocalyptic number.

1970526720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1970526720 is an abundant number, since it is smaller than the sum of its proper divisors (4329025440).

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

1970526720 is an equidigital number, since it uses as much as digits as its factorization.

1970526720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256605 (or 256589 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 1970526720 is about 44390.6152243917. The cubic root of 1970526720 is about 1253.7013958501.

The spelling of 1970526720 in words is "one billion, nine hundred seventy million, five hundred twenty-six thousand, seven hundred twenty".