629757020 has 96 divisors (see below), whose sum is σ = 1432263168. Its totient is φ = 231973632.

The previous prime is 629757019. The next prime is 629757031. The reversal of 629757020 is 20757926.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2774147 + ... + 2774373.

It is an arithmetic number, because the mean of its divisors is an integer number (14919408).

Almost surely, 2^629757020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629757020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716131584).

629757020 is an abundant number, since it is smaller than the sum of its proper divisors (802506148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629757020 is a wasteful number, since it uses less digits than its factorization.

629757020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 629757020 is about 25094.9600517714. The cubic root of 629757020 is about 857.1516637455.

The spelling of 629757020 in words is "six hundred twenty-nine million, seven hundred fifty-seven thousand, twenty".