1072743631 has 2 divisors, whose sum is σ = 1072743632. Its totient is φ = 1072743630.

The previous prime is 1072743619. The next prime is 1072743643. The reversal of 1072743631 is 1363472701.

It is a balanced prime because it is at equal distance from previous prime (1072743619) and next prime (1072743643).

It is an emirp because it is prime and its reverse (1363472701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1072743631 - 2¹⁷ = 1072612559 is a prime.

It is a super-2 number, since 2×1072743631² = 2301557795702128322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072743671) by changing a digit.

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, 536371815 + 536371816.

It is an arithmetic number, because the mean of its divisors is an integer number (536371816).

Almost surely, 2^1072743631 is an apocalyptic number.

1072743631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072743631 is an equidigital number, since it uses as much as digits as its factorization.

1072743631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 1072743631 is about 32752.7652420372. The cubic root of 1072743631 is about 1023.6825846101.

The spelling of 1072743631 in words is "one billion, seventy-two million, seven hundred forty-three thousand, six hundred thirty-one".