1069842736 has 40 divisors (see below), whose sum is σ = 2180110464. Its totient is φ = 507886080.

The previous prime is 1069842733. The next prime is 1069842751. The reversal of 1069842736 is 6372489601.

It is a super-2 number, since 2×1069842736² = 2289126959543931392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1069842731) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5940 + ... + 46636.

Almost surely, 2^1069842736 is an apocalyptic number.

1069842736 is a gapful number since it is divisible by the number (16) 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 1069842736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090055232).

1069842736 is an abundant number, since it is smaller than the sum of its proper divisors (1110267728).

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

1069842736 is a wasteful number, since it uses less digits than its factorization.

1069842736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40789 (or 40783 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 1069842736 is about 32708.4505288771. The cubic root of 1069842736 is about 1022.7590099520.

The spelling of 1069842736 in words is "one billion, sixty-nine million, eight hundred forty-two thousand, seven hundred thirty-six".