7371249840 has 120 divisors (see below), whose sum is σ = 25068663360. Its totient is φ = 1940769792.

The previous prime is 7371249833. The next prime is 7371249863. The reversal of 7371249840 is 489421737.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×7371249840³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 7917 + ... + 121676.

It is an arithmetic number, because the mean of its divisors is an integer number (208905528).

Almost surely, 2^7371249840 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 7371249840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12534331680).

7371249840 is an abundant number, since it is smaller than the sum of its proper divisors (17697413520).

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

7371249840 is a wasteful number, since it uses less digits than its factorization.

7371249840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129691 (or 129682 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 7371249840 is about 85855.9831345492. The cubic root of 7371249840 is about 1946.1682229714.

The spelling of 7371249840 in words is "seven billion, three hundred seventy-one million, two hundred forty-nine thousand, eight hundred forty".