1376427317 has 8 divisors (see below), whose sum is σ = 1449420000. Its totient is φ = 1303489584.

The previous prime is 1376427313. The next prime is 1376427407. The reversal of 1376427317 is 7137246731.

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

It is a cyclic number.

It is not a de Polignac number, because 1376427317 - 2² = 1376427313 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 (1376427313) 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, 43934 + ... + 68432.

It is an arithmetic number, because the mean of its divisors is an integer number (181177500).

Almost surely, 2^1376427317 is an apocalyptic number.

It is an amenable number.

1376427317 is a deficient number, since it is larger than the sum of its proper divisors (72992683).

1376427317 is a wasteful number, since it uses less digits than its factorization.

1376427317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27475.

The product of its digits is 148176, while the sum is 41.

The square root of 1376427317 is about 37100.2333820153. The cubic root of 1376427317 is about 1112.3746788430.

The spelling of 1376427317 in words is "one billion, three hundred seventy-six million, four hundred twenty-seven thousand, three hundred seventeen".