1074661343 has 4 divisors (see below), whose sum is σ = 1228184400. Its totient is φ = 921138288.

The previous prime is 1074661321. The next prime is 1074661387. The reversal of 1074661343 is 3431664701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3431664701 = 5237 ⋅655273.

It is not a de Polignac number, because 1074661343 - 2⁶ = 1074661279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074661303) 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, 76761518 + ... + 76761531.

It is an arithmetic number, because the mean of its divisors is an integer number (307046100).

Almost surely, 2^1074661343 is an apocalyptic number.

1074661343 is a deficient number, since it is larger than the sum of its proper divisors (153523057).

1074661343 is an equidigital number, since it uses as much as digits as its factorization.

1074661343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153523056.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1074661343 is about 32782.0277438721. The cubic root of 1074661343 is about 1024.2922238167.

The spelling of 1074661343 in words is "one billion, seventy-four million, six hundred sixty-one thousand, three hundred forty-three".