629639070 has 16 divisors (see below), whose sum is σ = 1511133840. Its totient is φ = 167903744.

The previous prime is 629639057. The next prime is 629639077. The reversal of 629639070 is 70936926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629639077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10493955 + ... + 10494014.

It is an arithmetic number, because the mean of its divisors is an integer number (94445865).

Almost surely, 2^629639070 is an apocalyptic number.

629639070 is an abundant number, since it is smaller than the sum of its proper divisors (881494770).

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

629639070 is a wasteful number, since it uses less digits than its factorization.

629639070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20987979.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 629639070 is about 25092.6098682461. The cubic root of 629639070 is about 857.0981471520.

The spelling of 629639070 in words is "six hundred twenty-nine million, six hundred thirty-nine thousand, seventy".