628060736 has 28 divisors (see below), whose sum is σ = 1250598972. Its totient is φ = 312949248.

The previous prime is 628060729. The next prime is 628060739. The reversal of 628060736 is 637060826.

It can be written as a sum of positive squares in 2 ways, for example, as 617820736 + 10240000 = 24856^2 + 3200^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 628060736.

It is not an unprimeable number, because it can be changed into a prime (628060739) 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, 2006 + ... + 35498.

It is an arithmetic number, because the mean of its divisors is an integer number (44664249).

Almost surely, 2^628060736 is an apocalyptic number.

It is an amenable number.

628060736 is a deficient number, since it is larger than the sum of its proper divisors (622538236).

628060736 is a wasteful number, since it uses less digits than its factorization.

628060736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33798 (or 33788 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 628060736 is about 25061.1399581104. The cubic root of 628060736 is about 856.3813772093.

The spelling of 628060736 in words is "six hundred twenty-eight million, sixty thousand, seven hundred thirty-six".