1072758656 has 16 divisors (see below), whose sum is σ = 2137136640. Its totient is φ = 536379264.

The previous prime is 1072758647. The next prime is 1072758679. The reversal of 1072758656 is 6568572701.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1072758656² = 2301622268045852672, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1072758656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4190336 + ... + 4190591.

It is an arithmetic number, because the mean of its divisors is an integer number (133571040).

Almost surely, 2^1072758656 is an apocalyptic number.

1072758656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1072758656 is a deficient number, since it is larger than the sum of its proper divisors (1064377984).

1072758656 is an frugal number, since it uses more digits than its factorization.

1072758656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380941 (or 8380929 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 1072758656 is about 32752.9946111802. The cubic root of 1072758656 is about 1023.6873638691.

The spelling of 1072758656 in words is "one billion, seventy-two million, seven hundred fifty-eight thousand, six hundred fifty-six".