628270534 has 4 divisors (see below), whose sum is σ = 942405804. Its totient is φ = 314135266.

The previous prime is 628270501. The next prime is 628270567. The reversal of 628270534 is 435072826.

628270534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (628270501) and next prime (628270567).

It is a junction number, because it is equal to n+sod(n) for n = 628270493 and 628270502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157067632 + ... + 157067635.

It is an arithmetic number, because the mean of its divisors is an integer number (235601451).

Almost surely, 2^628270534 is an apocalyptic number.

628270534 is a deficient number, since it is larger than the sum of its proper divisors (314135270).

628270534 is a wasteful number, since it uses less digits than its factorization.

628270534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314135269.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 628270534 is about 25065.3253320199. The cubic root of 628270534 is about 856.4767220745.

The spelling of 628270534 in words is "six hundred twenty-eight million, two hundred seventy thousand, five hundred thirty-four".