628072068 has 24 divisors (see below), whose sum is σ = 1578232768. Its totient is φ = 193252896.

The previous prime is 628072057. The next prime is 628072069. The reversal of 628072068 is 860270826.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (628072069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2012896 + ... + 2013207.

Almost surely, 2^628072068 is an apocalyptic number.

It is an amenable number.

628072068 is an abundant number, since it is smaller than the sum of its proper divisors (950160700).

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

628072068 is a wasteful number, since it uses less digits than its factorization.

628072068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026123 (or 4026121 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 628072068 is about 25061.3660441725. The cubic root of 628072068 is about 856.3865276960.

The spelling of 628072068 in words is "six hundred twenty-eight million, seventy-two thousand, sixty-eight".