7620212124 has 216 divisors, whose sum is σ = 24620319360. Its totient is φ = 1940931072.

The previous prime is 7620212063. The next prime is 7620212147. The reversal of 7620212124 is 4212120267.

7620212124 is a `hidden beast` number, since 7 + 620 + 2 + 12 + 1 + 24 = 666.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 1380979 + ... + 1386485.

It is an arithmetic number, because the mean of its divisors is an integer number (113982960).

Almost surely, 2^7620212124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7620212124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12310159680).

7620212124 is an abundant number, since it is smaller than the sum of its proper divisors (17000107236).

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

7620212124 is a wasteful number, since it uses less digits than its factorization.

7620212124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577 (or 5555 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 7620212124 is about 87293.8263796473. The cubic root of 7620212124 is about 1967.8365389467.

The spelling of 7620212124 in words is "seven billion, six hundred twenty million, two hundred twelve thousand, one hundred twenty-four".