1072967681 has 4 divisors (see below), whose sum is σ = 1088982192. Its totient is φ = 1056953172.

The previous prime is 1072967659. The next prime is 1072967717. The reversal of 1072967681 is 1867692701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1072967681 - 2¹⁸ = 1072705537 is a prime.

It is a super-2 number, since 2×1072967681² = 2302519288941035522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072963681) 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, 8007155 + ... + 8007288.

It is an arithmetic number, because the mean of its divisors is an integer number (272245548).

Almost surely, 2^1072967681 is an apocalyptic number.

It is an amenable number.

1072967681 is a deficient number, since it is larger than the sum of its proper divisors (16014511).

1072967681 is an equidigital number, since it uses as much as digits as its factorization.

1072967681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16014510.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 1072967681 is about 32756.1853853589. The cubic root of 1072967681 is about 1023.7538474016.

The spelling of 1072967681 in words is "one billion, seventy-two million, nine hundred sixty-seven thousand, six hundred eighty-one".