1425670 has 8 divisors (see below), whose sum is σ = 2566224. Its totient is φ = 570264.

The previous prime is 1425667. The next prime is 1425707. The reversal of 1425670 is 765241.

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

It is a plaindrome in base 13.

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, 71274 + ... + 71293.

It is an arithmetic number, because the mean of its divisors is an integer number (320778).

2^1425670 is an apocalyptic number.

1425670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1425670 is a deficient number, since it is larger than the sum of its proper divisors (1140554).

1425670 is a wasteful number, since it uses less digits than its factorization.

1425670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142574.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1425670 is about 1194.0142377711. The cubic root of 1425670 is about 112.5484893853.

The spelling of 1425670 in words is "one million, four hundred twenty-five thousand, six hundred seventy".