629691072 has 28 divisors (see below), whose sum is σ = 1666058136. Its totient is φ = 209896960.

The previous prime is 629691061. The next prime is 629691089. The reversal of 629691072 is 270196926.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639629 + ... + 1640012.

Almost surely, 2^629691072 is an apocalyptic number.

It is an amenable number.

629691072 is an abundant number, since it is smaller than the sum of its proper divisors (1036367064).

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

629691072 is a wasteful number, since it uses less digits than its factorization.

629691072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279656 (or 3279646 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 629691072 is about 25093.6460483526. The cubic root of 629691072 is about 857.1217424640.

The spelling of 629691072 in words is "six hundred twenty-nine million, six hundred ninety-one thousand, seventy-two".