628343372 has 12 divisors (see below), whose sum is σ = 1100136576. Its totient is φ = 314018640.

The previous prime is 628343299. The next prime is 628343389. The reversal of 628343372 is 273343826.

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, 28763 + ... + 45650.

It is an arithmetic number, because the mean of its divisors is an integer number (91678048).

Almost surely, 2^628343372 is an apocalyptic number.

It is an amenable number.

628343372 is a deficient number, since it is larger than the sum of its proper divisors (471793204).

628343372 is a wasteful number, since it uses less digits than its factorization.

628343372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76528 (or 76526 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 628343372 is about 25066.7782532977. The cubic root of 628343372 is about 856.5098190910.

The spelling of 628343372 in words is "six hundred twenty-eight million, three hundred forty-three thousand, three hundred seventy-two".