1072686768 has 20 divisors (see below), whose sum is σ = 2771107608. Its totient is φ = 357562240.

The previous prime is 1072686763. The next prime is 1072686773. The reversal of 1072686768 is 8676862701.

It is an interprime number because it is at equal distance from previous prime (1072686763) and next prime (1072686773).

It is a self number, because there is not a number n which added to its sum of digits gives 1072686768.

It is not an unprimeable number, because it can be changed into a prime (1072686763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11173773 + ... + 11173868.

Almost surely, 2^1072686768 is an apocalyptic number.

It is an amenable number.

1072686768 is an abundant number, since it is smaller than the sum of its proper divisors (1698420840).

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

1072686768 is a wasteful number, since it uses less digits than its factorization.

1072686768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22347652 (or 22347646 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 1072686768 is about 32751.8971664238. The cubic root of 1072686768 is about 1023.6644968179.

The spelling of 1072686768 in words is "one billion, seventy-two million, six hundred eighty-six thousand, seven hundred sixty-eight".