628262474 has 32 divisors (see below), whose sum is σ = 1135850880. Its totient is φ = 254601792.

The previous prime is 628262449. The next prime is 628262491. The reversal of 628262474 is 474262826.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161132 + ... + 164984.

It is an arithmetic number, because the mean of its divisors is an integer number (35495340).

Almost surely, 2^628262474 is an apocalyptic number.

628262474 is a deficient number, since it is larger than the sum of its proper divisors (507588406).

628262474 is a wasteful number, since it uses less digits than its factorization.

628262474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494.

The product of its digits is 258048, while the sum is 41.

The square root of 628262474 is about 25065.1645516242. The cubic root of 628262474 is about 856.4730595164.

The spelling of 628262474 in words is "six hundred twenty-eight million, two hundred sixty-two thousand, four hundred seventy-four".