1970726980 has 48 divisors (see below), whose sum is σ = 4292918784. Its totient is φ = 759386880.

The previous prime is 1970726959. The next prime is 1970726983. The reversal of 1970726980 is 896270791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1970726983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47085 + ... + 78475.

It is an arithmetic number, because the mean of its divisors is an integer number (89435808).

Almost surely, 2^1970726980 is an apocalyptic number.

1970726980 is a gapful number since it is divisible by the number (10) 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 1970726980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2146459392).

1970726980 is an abundant number, since it is smaller than the sum of its proper divisors (2322191804).

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

1970726980 is a wasteful number, since it uses less digits than its factorization.

1970726980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31516 (or 31514 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 1970726980 is about 44392.8708240411. The cubic root of 1970726980 is about 1253.7438646538.

The spelling of 1970726980 in words is "one billion, nine hundred seventy million, seven hundred twenty-six thousand, nine hundred eighty".