7286189680 has 160 divisors (see below), whose sum is σ = 21849315840. Its totient is φ = 2192655360.

The previous prime is 7286189627. The next prime is 7286189723. The reversal of 7286189680 is 869816827.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158247 + ... + 199033.

It is an arithmetic number, because the mean of its divisors is an integer number (136558224).

Almost surely, 2^7286189680 is an apocalyptic number.

7286189680 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 7286189680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10924657920).

7286189680 is an abundant number, since it is smaller than the sum of its proper divisors (14563126160).

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

7286189680 is a wasteful number, since it uses less digits than its factorization.

7286189680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40847 (or 40841 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 55.

The square root of 7286189680 is about 85359.1804084364. The cubic root of 7286189680 is about 1938.6533397020.

The spelling of 7286189680 in words is "seven billion, two hundred eighty-six million, one hundred eighty-nine thousand, six hundred eighty".