1074690409 has 4 divisors (see below), whose sum is σ = 1157358916. Its totient is φ = 992021904.

The previous prime is 1074690373. The next prime is 1074690431. The reversal of 1074690409 is 9040964701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236298384 + 838392025 = 15372^2 + 28955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074690409 - 2¹¹ = 1074688361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1074690209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41334234 + ... + 41334259.

It is an arithmetic number, because the mean of its divisors is an integer number (289339729).

Almost surely, 2^1074690409 is an apocalyptic number.

It is an amenable number.

1074690409 is a deficient number, since it is larger than the sum of its proper divisors (82668507).

1074690409 is an equidigital number, since it uses as much as digits as its factorization.

1074690409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82668506.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1074690409 is about 32782.4710630544. The cubic root of 1074690409 is about 1024.3014582946.

The spelling of 1074690409 in words is "one billion, seventy-four million, six hundred ninety thousand, four hundred nine".