629746080 has 48 divisors (see below), whose sum is σ = 1983701664. Its totient is φ = 167932160.

The previous prime is 629746067. The next prime is 629746081. The reversal of 629746080 is 80647926.

629746080 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (629746081) 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, 655506 + ... + 656465.

It is an arithmetic number, because the mean of its divisors is an integer number (41327118).

Almost surely, 2^629746080 is an apocalyptic number.

629746080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

629746080 is an abundant number, since it is smaller than the sum of its proper divisors (1353955584).

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

629746080 is a wasteful number, since it uses less digits than its factorization.

629746080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311989 (or 1311981 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 629746080 is about 25094.7420787702. The cubic root of 629746080 is about 857.1467003002.

The spelling of 629746080 in words is "six hundred twenty-nine million, seven hundred forty-six thousand, eighty".