629989075 has 12 divisors (see below), whose sum is σ = 781523640. Its totient is φ = 503773760.

The previous prime is 629989039. The next prime is 629989091. The reversal of 629989075 is 570989926.

It is not a de Polignac number, because 629989075 - 2¹⁵ = 629956307 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79911 + ... + 87439.

It is an arithmetic number, because the mean of its divisors is an integer number (65126970).

Almost surely, 2^629989075 is an apocalyptic number.

629989075 is a deficient number, since it is larger than the sum of its proper divisors (151534565).

629989075 is a wasteful number, since it uses less digits than its factorization.

629989075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886 (or 10881 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 629989075 is about 25099.5831638695. The cubic root of 629989075 is about 857.2569328661.

The spelling of 629989075 in words is "six hundred twenty-nine million, nine hundred eighty-nine thousand, seventy-five".