624420106 has 4 divisors (see below), whose sum is σ = 936630162. Its totient is φ = 312210052.

The previous prime is 624420067. The next prime is 624420113. The reversal of 624420106 is 601024426.

624420106 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 can be written as a sum of positive squares in only one way, i.e., 329095881 + 295324225 = 18141^2 + 17185^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156105025 + ... + 156105028.

Almost surely, 2^624420106 is an apocalyptic number.

624420106 is a deficient number, since it is larger than the sum of its proper divisors (312210056).

624420106 is a wasteful number, since it uses less digits than its factorization.

624420106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312210055.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 624420106 is about 24988.3994285348. The cubic root of 624420106 is about 854.7234635703.

The spelling of 624420106 in words is "six hundred twenty-four million, four hundred twenty thousand, one hundred six".