628051672 has 16 divisors (see below), whose sum is σ = 1246867560. Its totient is φ = 295553664.

The previous prime is 628051663. The next prime is 628051673. The reversal of 628051672 is 276150826.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628051673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2308878 + ... + 2309149.

Almost surely, 2^628051672 is an apocalyptic number.

It is an amenable number.

628051672 is a deficient number, since it is larger than the sum of its proper divisors (618815888).

628051672 is a wasteful number, since it uses less digits than its factorization.

628051672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618050 (or 4618046 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 628051672 is about 25060.9591197145. The cubic root of 628051672 is about 856.3772575026.

The spelling of 628051672 in words is "six hundred twenty-eight million, fifty-one thousand, six hundred seventy-two".