1072028637 has 6 divisors (see below), whose sum is σ = 1548485822. Its totient is φ = 714685752.

The previous prime is 1072028623. The next prime is 1072028663. The reversal of 1072028637 is 7368202701.

1072028637 is a `hidden beast` number, since 10 + 7 + 2 + 0 + 2 + 8 + 637 = 666.

It can be written as a sum of positive squares in only one way, i.e., 584237241 + 487791396 = 24171^2 + 22086^2 .

It is not a de Polignac number, because 1072028637 - 2¹⁰ = 1072027613 is a prime.

It is a super-2 number, since 2×1072028637² = 2298490797096155538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072028537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59557138 + ... + 59557155.

Almost surely, 2^1072028637 is an apocalyptic number.

It is an amenable number.

1072028637 is a deficient number, since it is larger than the sum of its proper divisors (476457185).

1072028637 is a wasteful number, since it uses less digits than its factorization.

1072028637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119114299 (or 119114296 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1072028637 is about 32741.8484053665. The cubic root of 1072028637 is about 1023.4551026168.

The spelling of 1072028637 in words is "one billion, seventy-two million, twenty-eight thousand, six hundred thirty-seven".