675527621 has 8 divisors (see below), whose sum is σ = 685723584. Its totient is φ = 665380800.

The previous prime is 675527617. The next prime is 675527627. The reversal of 675527621 is 126725576.

675527621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 675527621 - 2² = 675527617 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 (675527627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15896 + ... + 40046.

It is an arithmetic number, because the mean of its divisors is an integer number (85715448).

Almost surely, 2^675527621 is an apocalyptic number.

It is an amenable number.

675527621 is a deficient number, since it is larger than the sum of its proper divisors (10195963).

675527621 is a wasteful number, since it uses less digits than its factorization.

675527621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24571.

The product of its digits is 176400, while the sum is 41.

The square root of 675527621 is about 25990.9142009280. The cubic root of 675527621 is about 877.4338209250.

The spelling of 675527621 in words is "six hundred seventy-five million, five hundred twenty-seven thousand, six hundred twenty-one".