1366772734 has 4 divisors (see below), whose sum is σ = 2050159104. Its totient is φ = 683386366.

The previous prime is 1366772717. The next prime is 1366772741. The reversal of 1366772734 is 4372776631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4372776631 = 1979 ⋅2209589.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341693182 + ... + 341693185.

It is an arithmetic number, because the mean of its divisors is an integer number (512539776).

Almost surely, 2^1366772734 is an apocalyptic number.

1366772734 is a deficient number, since it is larger than the sum of its proper divisors (683386370).

1366772734 is an equidigital number, since it uses as much as digits as its factorization.

1366772734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683386369.

The product of its digits is 889056, while the sum is 46.

The square root of 1366772734 is about 36969.8895589370. The cubic root of 1366772734 is about 1109.7677554312.

The spelling of 1366772734 in words is "one billion, three hundred sixty-six million, seven hundred seventy-two thousand, seven hundred thirty-four".