675531493 has 24 divisors (see below), whose sum is σ = 848625120. Its totient is φ = 533000160.

The previous prime is 675531473. The next prime is 675531523. The reversal of 675531493 is 394135576.

It is not a de Polignac number, because 675531493 - 2⁹ = 675530981 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675531403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265638 + ... + 268168.

It is an arithmetic number, because the mean of its divisors is an integer number (35359380).

Almost surely, 2^675531493 is an apocalyptic number.

It is an amenable number.

675531493 is a deficient number, since it is larger than the sum of its proper divisors (173093627).

675531493 is a wasteful number, since it uses less digits than its factorization.

675531493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977 (or 2970 counting only the distinct ones).

The product of its digits is 340200, while the sum is 43.

The square root of 675531493 is about 25990.9886883897. The cubic root of 675531493 is about 877.4354973515.

The spelling of 675531493 in words is "six hundred seventy-five million, five hundred thirty-one thousand, four hundred ninety-three".