675505449 has 12 divisors (see below), whose sum is σ = 977938416. Its totient is φ = 449317752.

The previous prime is 675505433. The next prime is 675505459. The reversal of 675505449 is 944505576.

675505449 is a `hidden beast` number, since 6 + 7 + 550 + 54 + 49 = 666.

It is not a de Polignac number, because 675505449 - 2⁴ = 675505433 is a prime.

It is a super-2 number, since 2×675505449² = 912615223257383202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (675505459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80727 + ... + 88700.

It is an arithmetic number, because the mean of its divisors is an integer number (81494868).

Almost surely, 2^675505449 is an apocalyptic number.

It is an amenable number.

675505449 is a deficient number, since it is larger than the sum of its proper divisors (302432967).

675505449 is a wasteful number, since it uses less digits than its factorization.

675505449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169876 (or 169873 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 675505449 is about 25990.4876637588. The cubic root of 675505449 is about 877.4242211815.

The spelling of 675505449 in words is "six hundred seventy-five million, five hundred five thousand, four hundred forty-nine".