629675904 has 128 divisors (see below), whose sum is σ = 1965156480. Its totient is φ = 176117760.

The previous prime is 629675867. The next prime is 629675933. The reversal of 629675904 is 409576926.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49179 + ... + 60645.

It is an arithmetic number, because the mean of its divisors is an integer number (15352785).

Almost surely, 2^629675904 is an apocalyptic number.

629675904 is a gapful number since it is divisible by the number (64) 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 629675904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982578240).

629675904 is an abundant number, since it is smaller than the sum of its proper divisors (1335480576).

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

629675904 is a wasteful number, since it uses less digits than its factorization.

629675904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11508 (or 11496 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 629675904 is about 25093.3438186305. The cubic root of 629675904 is about 857.1148602919.

The spelling of 629675904 in words is "six hundred twenty-nine million, six hundred seventy-five thousand, nine hundred four".