7798680 has 160 divisors (see below), whose sum is σ = 27442800. Its totient is φ = 1983744.

The previous prime is 7798673. The next prime is 7798717. The reversal of 7798680 is 868977.

It is a super-3 number, since 3×7798680³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 93919 + ... + 94001.

Almost surely, 2^7798680 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 7798680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13721400).

7798680 is an abundant number, since it is smaller than the sum of its proper divisors (19644120).

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

7798680 is a wasteful number, since it uses less digits than its factorization.

7798680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 7798680 is about 2792.6116808464. The cubic root of 7798680 is about 198.3080603973.

The spelling of 7798680 in words is "seven million, seven hundred ninety-eight thousand, six hundred eighty".