1067749097 has 4 divisors (see below), whose sum is σ = 1070808900. Its totient is φ = 1064689296.

The previous prime is 1067749043. The next prime is 1067749117. The reversal of 1067749097 is 7909477601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7909477601 = 113 ⋅69995377.

It can be written as a sum of positive squares in 2 ways, for example, as 918029401 + 149719696 = 30299^2 + 12236^2 .

It is a cyclic number.

It is not a de Polignac number, because 1067749097 - 2¹⁴ = 1067732713 is a prime.

It is a super-2 number, since 2×1067749097² = 2280176268288630818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1067749597) 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, 1529378 + ... + 1530075.

It is an arithmetic number, because the mean of its divisors is an integer number (267702225).

Almost surely, 2^1067749097 is an apocalyptic number.

It is an amenable number.

1067749097 is a deficient number, since it is larger than the sum of its proper divisors (3059803).

1067749097 is an equidigital number, since it uses as much as digits as its factorization.

1067749097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059802.

The product of its (nonzero) digits is 666792, while the sum is 50.

The square root of 1067749097 is about 32676.4302976932. The cubic root of 1067749097 is about 1022.0914082556.

The spelling of 1067749097 in words is "one billion, sixty-seven million, seven hundred forty-nine thousand, ninety-seven".