629670371 has 8 divisors (see below), whose sum is σ = 702888384. Its totient is φ = 559114920.

The previous prime is 629670367. The next prime is 629670401. The reversal of 629670371 is 173076926.

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

It is a cyclic number.

It is not a de Polignac number, because 629670371 - 2² = 629670367 is a prime.

It is a super-2 number, since 2×629670371² = 792969552230555282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (629670331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665141 + ... + 666086.

It is an arithmetic number, because the mean of its divisors is an integer number (87861048).

Almost surely, 2^629670371 is an apocalyptic number.

629670371 is a deficient number, since it is larger than the sum of its proper divisors (73218013).

629670371 is a wasteful number, since it uses less digits than its factorization.

629670371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331281.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 629670371 is about 25093.2335700284. The cubic root of 629670371 is about 857.1123497780.

It can be divided in two parts, 6296 and 70371, that added together give a palindrome (76667).

The spelling of 629670371 in words is "six hundred twenty-nine million, six hundred seventy thousand, three hundred seventy-one".