1374749 has 2 divisors, whose sum is σ = 1374750. Its totient is φ = 1374748.

The previous prime is 1374743. The next prime is 1374761. The reversal of 1374749 is 9474731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1338649 + 36100 = 1157^2 + 190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1374749 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 1 + 3⁹ + 7² + 4² + 7⁷ + 4² + 9⁶ .

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1374743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687374 + 687375.

It is an arithmetic number, because the mean of its divisors is an integer number (687375).

2^1374749 is an apocalyptic number.

It is an amenable number.

1374749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374749 is an equidigital number, since it uses as much as digits as its factorization.

1374749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 35.

The square root of 1374749 is about 1172.4969083115. The cubic root of 1374749 is about 111.1922378258.

The spelling of 1374749 in words is "one million, three hundred seventy-four thousand, seven hundred forty-nine".