628028744 has 16 divisors (see below), whose sum is σ = 1345776000. Its totient is φ = 269155152.

The previous prime is 628028743. The next prime is 628028759. The reversal of 628028744 is 447820826.

It is not an unprimeable number, because it can be changed into a prime (628028741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5607344 + ... + 5607455.

It is an arithmetic number, because the mean of its divisors is an integer number (84111000).

Almost surely, 2^628028744 is an apocalyptic number.

It is an amenable number.

628028744 is an abundant number, since it is smaller than the sum of its proper divisors (717747256).

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

628028744 is a wasteful number, since it uses less digits than its factorization.

628028744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214812 (or 11214808 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 628028744 is about 25060.5016709562. The cubic root of 628028744 is about 856.3668362493.

The spelling of 628028744 in words is "six hundred twenty-eight million, twenty-eight thousand, seven hundred forty-four".