1072000770 has 64 divisors (see below), whose sum is σ = 2689597440. Its totient is φ = 273124800.

The previous prime is 1072000759. The next prime is 1072000771. The reversal of 1072000770 is 770002701.

It is a super-2 number, since 2×1072000770² = 2298371301761185800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1072000770.

It is not an unprimeable number, because it can be changed into a prime (1072000771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66175 + ... + 80765.

It is an arithmetic number, because the mean of its divisors is an integer number (42024960).

Almost surely, 2^1072000770 is an apocalyptic number.

1072000770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1072000770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344798720).

1072000770 is an abundant number, since it is smaller than the sum of its proper divisors (1617596670).

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

1072000770 is a wasteful number, since it uses less digits than its factorization.

1072000770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14711.

The product of its (nonzero) digits is 686, while the sum is 24.

The square root of 1072000770 is about 32741.4228462967. The cubic root of 1072000770 is about 1023.4462344238.

The spelling of 1072000770 in words is "one billion, seventy-two million, seven hundred seventy", and thus it is an aban number.