624423642 has 32 divisors (see below), whose sum is σ = 1305134208. Its totient is φ = 198787776.

The previous prime is 624423641. The next prime is 624423647. The reversal of 624423642 is 246324426.

It is not an unprimeable number, because it can be changed into a prime (624423641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98068 + ... + 104240.

It is an arithmetic number, because the mean of its divisors is an integer number (40785444).

Almost surely, 2^624423642 is an apocalyptic number.

624423642 is an abundant number, since it is smaller than the sum of its proper divisors (680710566).

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

624423642 is a wasteful number, since it uses less digits than its factorization.

624423642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934.

The product of its digits is 55296, while the sum is 33.

The square root of 624423642 is about 24988.4701812656. The cubic root of 624423642 is about 854.7250769587.

The spelling of 624423642 in words is "six hundred twenty-four million, four hundred twenty-three thousand, six hundred forty-two".