629687872 has 168 divisors, whose sum is σ = 1474516736. Its totient is φ = 266112000.

The previous prime is 629687869. The next prime is 629687887. The reversal of 629687872 is 278786926.

It is a super-2 number, since 2×629687872² = 793013632287776768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10322722 + ... + 10322782.

Almost surely, 2^629687872 is an apocalyptic number.

629687872 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629687872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737258368).

629687872 is an abundant number, since it is smaller than the sum of its proper divisors (844828864).

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

629687872 is a wasteful number, since it uses less digits than its factorization.

629687872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 148 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 629687872 is about 25093.5822871108. The cubic root of 629687872 is about 857.1202905382.

The spelling of 629687872 in words is "six hundred twenty-nine million, six hundred eighty-seven thousand, eight hundred seventy-two".