1072782243 has 24 divisors (see below), whose sum is σ = 1672070400. Its totient is φ = 658869120.

The previous prime is 1072782241. The next prime is 1072782281. The reversal of 1072782243 is 3422872701.

It is not a de Polignac number, because 1072782243 - 2¹ = 1072782241 is a prime.

It is a super-2 number, since 2×1072782243² = 2301723481792222098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1072782198 and 1072782207.

It is not an unprimeable number, because it can be changed into a prime (1072782241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52158 + ... + 69756.

It is an arithmetic number, because the mean of its divisors is an integer number (69669600).

Almost surely, 2^1072782243 is an apocalyptic number.

1072782243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1072782243 is a deficient number, since it is larger than the sum of its proper divisors (599288157).

1072782243 is a wasteful number, since it uses less digits than its factorization.

1072782243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18139 (or 18136 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1072782243 is about 32753.3546831466. The cubic root of 1072782243 is about 1023.6948665000.

The spelling of 1072782243 in words is "one billion, seventy-two million, seven hundred eighty-two thousand, two hundred forty-three".