628463570 has 64 divisors (see below), whose sum is σ = 1379738880. Its totient is φ = 201305088.

The previous prime is 628463557. The next prime is 628463573. The reversal of 628463570 is 75364826.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (628463573) 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 31 ways as a sum of consecutive naturals, for example, 93854 + ... + 100326.

It is an arithmetic number, because the mean of its divisors is an integer number (21558420).

Almost surely, 2^628463570 is an apocalyptic number.

628463570 is an abundant number, since it is smaller than the sum of its proper divisors (751275310).

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

628463570 is a wasteful number, since it uses less digits than its factorization.

628463570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6579.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 628463570 is about 25069.1756944659. The cubic root of 628463570 is about 856.5644305280.

The spelling of 628463570 in words is "six hundred twenty-eight million, four hundred sixty-three thousand, five hundred seventy".