1000342770 has 64 divisors (see below), whose sum is σ = 2761364736. Its totient is φ = 227185920.

The previous prime is 1000342729. The next prime is 1000342787. The reversal of 1000342770 is 772430001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000342770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17800 + ... + 48140.

It is an arithmetic number, because the mean of its divisors is an integer number (43146324).

Almost surely, 2^1000342770 is an apocalyptic number.

1000342770 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 1000342770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380682368).

1000342770 is an abundant number, since it is smaller than the sum of its proper divisors (1761021966).

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

1000342770 is a wasteful number, since it uses less digits than its factorization.

1000342770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30515.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 1000342770 is about 31628.1958069062. The cubic root of 1000342770 is about 1000.1142436146.

Adding to 1000342770 its reverse (772430001), we get a palindrome (1772772771).

The spelling of 1000342770 in words is "one billion, three hundred forty-two thousand, seven hundred seventy".