628672629 has 16 divisors (see below), whose sum is σ = 906236352. Its totient is φ = 385363968.

The previous prime is 628672621. The next prime is 628672633. The reversal of 628672629 is 926276826.

628672629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 628672629 - 2³ = 628672621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628672621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21339 + ... + 41384.

It is an arithmetic number, because the mean of its divisors is an integer number (56639772).

Almost surely, 2^628672629 is an apocalyptic number.

It is an amenable number.

628672629 is a deficient number, since it is larger than the sum of its proper divisors (277563723).

628672629 is a wasteful number, since it uses less digits than its factorization.

628672629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62996.

The product of its digits is 870912, while the sum is 48.

The square root of 628672629 is about 25073.3449902481. The cubic root of 628672629 is about 856.6593989872.

The spelling of 628672629 in words is "six hundred twenty-eight million, six hundred seventy-two thousand, six hundred twenty-nine".