675464621 has 16 divisors (see below), whose sum is σ = 803706624. Its totient is φ = 561310464.

The previous prime is 675464599. The next prime is 675464633. The reversal of 675464621 is 126464576.

It is a happy number.

It is not a de Polignac number, because 675464621 - 2⁶ = 675464557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675464021) 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 15 ways as a sum of consecutive naturals, for example, 61361 + ... + 71526.

It is an arithmetic number, because the mean of its divisors is an integer number (50231664).

Almost surely, 2^675464621 is an apocalyptic number.

It is an amenable number.

675464621 is a deficient number, since it is larger than the sum of its proper divisors (128242003).

675464621 is a wasteful number, since it uses less digits than its factorization.

675464621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132940.

The product of its digits is 241920, while the sum is 41.

The square root of 675464621 is about 25989.7022106834. The cubic root of 675464621 is about 877.4065434569.

The spelling of 675464621 in words is "six hundred seventy-five million, four hundred sixty-four thousand, six hundred twenty-one".