1427377 has 4 divisors (see below), whose sum is σ = 1631296. Its totient is φ = 1223460.

The previous prime is 1427359. The next prime is 1427383. The reversal of 1427377 is 7737241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1427377 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1427347) 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, 101949 + ... + 101962.

It is an arithmetic number, because the mean of its divisors is an integer number (407824).

2^1427377 is an apocalyptic number.

It is an amenable number.

1427377 is a deficient number, since it is larger than the sum of its proper divisors (203919).

1427377 is an equidigital number, since it uses as much as digits as its factorization.

1427377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203918.

The product of its digits is 8232, while the sum is 31.

The square root of 1427377 is about 1194.7288395280. The cubic root of 1427377 is about 112.5933907639.

The spelling of 1427377 in words is "one million, four hundred twenty-seven thousand, three hundred seventy-seven".