629872242 has 8 divisors (see below), whose sum is σ = 1259744496. Its totient is φ = 209957412.

The previous prime is 629872223. The next prime is 629872247. The reversal of 629872242 is 242278926.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

629872242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 629872194 and 629872203.

It is not an unprimeable number, because it can be changed into a prime (629872247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52489348 + ... + 52489359.

It is an arithmetic number, because the mean of its divisors is an integer number (157468062).

Almost surely, 2^629872242 is an apocalyptic number.

629872242 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.

629872242 is a wasteful number, since it uses less digits than its factorization.

629872242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104978712.

The product of its digits is 193536, while the sum is 42.

The square root of 629872242 is about 25097.2556667059. The cubic root of 629872242 is about 857.2039361316.

The spelling of 629872242 in words is "six hundred twenty-nine million, eight hundred seventy-two thousand, two hundred forty-two".