7620165872 has 40 divisors (see below), whose sum is σ = 16370319792. Its totient is φ = 3406924800.

The previous prime is 7620165829. The next prime is 7620165877. The reversal of 7620165872 is 2785610267.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7620165877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344153 + ... + 365624.

Almost surely, 2^7620165872 is an apocalyptic number.

It is an amenable number.

7620165872 is an abundant number, since it is smaller than the sum of its proper divisors (8750153920).

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

7620165872 is a wasteful number, since it uses less digits than its factorization.

7620165872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709857 (or 709851 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 7620165872 is about 87293.5614578761. The cubic root of 7620165872 is about 1967.8325575807.

The spelling of 7620165872 in words is "seven billion, six hundred twenty million, one hundred sixty-five thousand, eight hundred seventy-two".