629720359772 has 12 divisors (see below), whose sum is σ = 1259440719600. Its totient is φ = 269880154176.

The previous prime is 629720359693. The next prime is 629720359799. The reversal of 629720359772 is 277953027926.

It is a happy number.

629720359772 is an admirable number.

It is a super-2 number, since 2×629720359772² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11245006397 + ... + 11245006452.

It is an arithmetic number, because the mean of its divisors is an integer number (104953393300).

Almost surely, 2^629720359772 is an apocalyptic number.

It is an amenable number.

629720359772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

629720359772 is a wasteful number, since it uses less digits than its factorization.

629720359772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22490012860 (or 22490012858 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 59.

The spelling of 629720359772 in words is "six hundred twenty-nine billion, seven hundred twenty million, three hundred fifty-nine thousand, seven hundred seventy-two".