629960470722 has 90 divisors (see below), whose sum is σ = 1551843049449. Its totient is φ = 190863438480.

The previous prime is 629960470721. The next prime is 629960470757. The reversal of 629960470722 is 227074069926.

629960470722 is a `hidden beast` number, since 6 + 2 + 9 + 9 + 604 + 7 + 0 + 7 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 584275255641 + 45685215081 = 764379^2 + 213741^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=561231.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (629960470721) by changing a digit.

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 44 ways as a sum of consecutive naturals, for example, 111120904 + ... + 111126572.

Almost surely, 2^629960470722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629960470722

629960470722 is an abundant number, since it is smaller than the sum of its proper divisors (921882578727).

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

629960470722 is an frugal number, since it uses more digits than its factorization.

629960470722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374 (or 5685 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 629960470722 in words is "six hundred twenty-nine billion, nine hundred sixty million, four hundred seventy thousand, seven hundred twenty-two".