1376774349 has 8 divisors (see below), whose sum is σ = 1841679840. Its totient is φ = 914859216.

The previous prime is 1376774339. The next prime is 1376774351. The reversal of 1376774349 is 9434776731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1376774349 - 2⁷ = 1376774221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376774339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746514 + ... + 748355.

It is an arithmetic number, because the mean of its divisors is an integer number (230209980).

Almost surely, 2^1376774349 is an apocalyptic number.

It is an amenable number.

1376774349 is a deficient number, since it is larger than the sum of its proper divisors (464905491).

1376774349 is a wasteful number, since it uses less digits than its factorization.

1376774349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495179.

The product of its digits is 2667168, while the sum is 51.

The square root of 1376774349 is about 37104.9100389692. The cubic root of 1376774349 is about 1112.4681568801.

The spelling of 1376774349 in words is "one billion, three hundred seventy-six million, seven hundred seventy-four thousand, three hundred forty-nine".