1380742 has 8 divisors (see below), whose sum is σ = 2259432. Its totient is φ = 627600.

The previous prime is 1380727. The next prime is 1380763. The reversal of 1380742 is 2470831.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31359 + ... + 31402.

It is an arithmetic number, because the mean of its divisors is an integer number (282429).

2^1380742 is an apocalyptic number.

1380742 is a deficient number, since it is larger than the sum of its proper divisors (878690).

1380742 is a wasteful number, since it uses less digits than its factorization.

1380742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62774.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1380742 is about 1175.0497861793. The cubic root of 1380742 is about 111.3535785750.

The spelling of 1380742 in words is "one million, three hundred eighty thousand, seven hundred forty-two".