1425206670 has 32 divisors (see below), whose sum is σ = 3439406880. Its totient is φ = 377953920.

The previous prime is 1425206659. The next prime is 1425206677. The reversal of 1425206670 is 766025241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425206677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125805 + ... + 136664.

It is an arithmetic number, because the mean of its divisors is an integer number (107481465).

Almost surely, 2^1425206670 is an apocalyptic number.

1425206670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1425206670 is an abundant number, since it is smaller than the sum of its proper divisors (2014200210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425206670 is a wasteful number, since it uses less digits than its factorization.

1425206670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262660.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1425206670 is about 37751.9094881305. The cubic root of 1425206670 is about 1125.3629564677.

The spelling of 1425206670 in words is "one billion, four hundred twenty-five million, two hundred six thousand, six hundred seventy".