675449430 has 64 divisors (see below), whose sum is σ = 1752572160. Its totient is φ = 166022784.

The previous prime is 675449417. The next prime is 675449501. The reversal of 675449430 is 34944576.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5077 + ... + 37103.

It is an arithmetic number, because the mean of its divisors is an integer number (27383940).

Almost surely, 2^675449430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675449430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876286080).

675449430 is an abundant number, since it is smaller than the sum of its proper divisors (1077122730).

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

675449430 is a wasteful number, since it uses less digits than its factorization.

675449430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32093.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 675449430 is about 25989.4099586736. The cubic root of 675449430 is about 877.3999658696.

The spelling of 675449430 in words is "six hundred seventy-five million, four hundred forty-nine thousand, four hundred thirty".