1376674821 has 12 divisors (see below), whose sum is σ = 2074988448. Its totient is φ = 877879464.

The previous prime is 1376674781. The next prime is 1376674829. The reversal of 1376674821 is 1284766731.

It is not a de Polignac number, because 1376674821 - 2⁶ = 1376674757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376674829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3325095 + ... + 3325508.

It is an arithmetic number, because the mean of its divisors is an integer number (172915704).

Almost surely, 2^1376674821 is an apocalyptic number.

It is an amenable number.

1376674821 is a deficient number, since it is larger than the sum of its proper divisors (698313627).

1376674821 is a wasteful number, since it uses less digits than its factorization.

1376674821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6650632 (or 6650629 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 1376674821 is about 37103.5688445195. The cubic root of 1376674821 is about 1112.4413491952.

The spelling of 1376674821 in words is "one billion, three hundred seventy-six million, six hundred seventy-four thousand, eight hundred twenty-one".