629240728 has 32 divisors (see below), whose sum is σ = 1234604160. Its totient is φ = 300291840.

The previous prime is 629240683. The next prime is 629240741. The reversal of 629240728 is 827042926.

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 7 ways as a sum of consecutive naturals, for example, 726 + ... + 35482.

It is an arithmetic number, because the mean of its divisors is an integer number (38581380).

Almost surely, 2^629240728 is an apocalyptic number.

It is an amenable number.

629240728 is a deficient number, since it is larger than the sum of its proper divisors (605363432).

629240728 is a wasteful number, since it uses less digits than its factorization.

629240728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34867 (or 34863 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 629240728 is about 25084.6711758396. The cubic root of 629240728 is about 856.9173609253.

The spelling of 629240728 in words is "six hundred twenty-nine million, two hundred forty thousand, seven hundred twenty-eight".