7209609492 has 72 divisors (see below), whose sum is σ = 17928279936. Its totient is φ = 2247163136.

The previous prime is 7209609469. The next prime is 7209609493. The reversal of 7209609492 is 2949069027.

It is a super-3 number, since 3×7209609492³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7209609493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6535813 + ... + 6536915.

It is an arithmetic number, because the mean of its divisors is an integer number (249003888).

Almost surely, 2^7209609492 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 7209609492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8964139968).

7209609492 is an abundant number, since it is smaller than the sum of its proper divisors (10718670444).

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

7209609492 is a wasteful number, since it uses less digits than its factorization.

7209609492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 7209609492 is about 84909.4193361373. The cubic root of 7209609492 is about 1931.8374486560.

The spelling of 7209609492 in words is "seven billion, two hundred nine million, six hundred nine thousand, four hundred ninety-two".