7622065872 has 160 divisors (see below), whose sum is σ = 23229763200. Its totient is φ = 2384566272.

The previous prime is 7622065861. The next prime is 7622065873. The reversal of 7622065872 is 2785602267.

7622065872 is a `hidden beast` number, since 7 + 62 + 2 + 0 + 6 + 587 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7622065873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3075898 + ... + 3078374.

It is an arithmetic number, because the mean of its divisors is an integer number (145186020).

Almost surely, 2^7622065872 is an apocalyptic number.

7622065872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7622065872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11614881600).

7622065872 is an abundant number, since it is smaller than the sum of its proper divisors (15607697328).

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

7622065872 is a wasteful number, since it uses less digits than its factorization.

7622065872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 7622065872 is about 87304.4435982499. The cubic root of 7622065872 is about 1967.9960960660.

The spelling of 7622065872 in words is "seven billion, six hundred twenty-two million, sixty-five thousand, eight hundred seventy-two".