675505400 has 48 divisors (see below), whose sum is σ = 1638846000. Its totient is φ = 258452480.

The previous prime is 675505393. The next prime is 675505403. The reversal of 675505400 is 4505576.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675505403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68825 + ... + 78024.

It is an arithmetic number, because the mean of its divisors is an integer number (34142625).

Almost surely, 2^675505400 is an apocalyptic number.

It is an amenable number.

675505400 is an abundant number, since it is smaller than the sum of its proper divisors (963340600).

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

675505400 is a wasteful number, since it uses less digits than its factorization.

675505400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146888 (or 146879 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 675505400 is about 25990.4867211062. The cubic root of 675505400 is about 877.4241999659.

The spelling of 675505400 in words is "six hundred seventy-five million, five hundred five thousand, four hundred".