630705575 has 12 divisors (see below), whose sum is σ = 795332280. Its totient is φ = 496011360.

The previous prime is 630705557. The next prime is 630705577. The reversal of 630705575 is 575507036.

It is not a de Polignac number, because 630705575 - 2¹⁸ = 630443431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630705577) 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, 212324 + ... + 215273.

It is an arithmetic number, because the mean of its divisors is an integer number (66277690).

Almost surely, 2^630705575 is an apocalyptic number.

630705575 is a deficient number, since it is larger than the sum of its proper divisors (164626705).

630705575 is a wasteful number, since it uses less digits than its factorization.

630705575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427666 (or 427661 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 630705575 is about 25113.8522532884. The cubic root of 630705575 is about 857.5818019297.

The spelling of 630705575 in words is "six hundred thirty million, seven hundred five thousand, five hundred seventy-five".