675457420 has 48 divisors (see below), whose sum is σ = 1554852096. Its totient is φ = 244440000.

The previous prime is 675457369. The next prime is 675457421. The reversal of 675457420 is 24754576.

It is not an unprimeable number, because it can be changed into a prime (675457421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39145 + ... + 53695.

It is an arithmetic number, because the mean of its divisors is an integer number (32392752).

Almost surely, 2^675457420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675457420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777426048).

675457420 is an abundant number, since it is smaller than the sum of its proper divisors (879394676).

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

675457420 is a wasteful number, since it uses less digits than its factorization.

675457420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14782 (or 14780 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 675457420 is about 25989.5636746753. The cubic root of 675457420 is about 877.4034254910.

The spelling of 675457420 in words is "six hundred seventy-five million, four hundred fifty-seven thousand, four hundred twenty".