7212699760 has 80 divisors (see below), whose sum is σ = 19209484800. Its totient is φ = 2467208448.

The previous prime is 7212699749. The next prime is 7212699761. The reversal of 7212699760 is 679962127.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7212699761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231171 + ... + 260509.

It is an arithmetic number, because the mean of its divisors is an integer number (240118560).

Almost surely, 2^7212699760 is an apocalyptic number.

7212699760 is a gapful number since it is divisible by the number (70) 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 7212699760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9604742400).

7212699760 is an abundant number, since it is smaller than the sum of its proper divisors (11996785040).

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

7212699760 is a wasteful number, since it uses less digits than its factorization.

7212699760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29798 (or 29792 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 7212699760 is about 84927.6148258033. The cubic root of 7212699760 is about 1932.1134248929.

The spelling of 7212699760 in words is "seven billion, two hundred twelve million, six hundred ninety-nine thousand, seven hundred sixty".