7434624138 has 32 divisors (see below), whose sum is σ = 14969707200. Its totient is φ = 2461493376.

The previous prime is 7434624107. The next prime is 7434624143. The reversal of 7434624138 is 8314264347.

It is a self number, because there is not a number n which added to its sum of digits gives 7434624138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303998 + ... + 1309686.

It is an arithmetic number, because the mean of its divisors is an integer number (467803350).

Almost surely, 2^7434624138 is an apocalyptic number.

7434624138 is an abundant number, since it is smaller than the sum of its proper divisors (7535083062).

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

7434624138 is a wasteful number, since it uses less digits than its factorization.

7434624138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7126.

The product of its digits is 387072, while the sum is 42.

The square root of 7434624138 is about 86224.2665263092. The cubic root of 7434624138 is about 1951.7297067976.

The spelling of 7434624138 in words is "seven billion, four hundred thirty-four million, six hundred twenty-four thousand, one hundred thirty-eight".