7799660 has 48 divisors (see below), whose sum is σ = 18077472. Its totient is φ = 2826560.

The previous prime is 7799657. The next prime is 7799669. The reversal of 7799660 is 669977.

It is a super-2 number, since 2×7799660² = 121669392231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (7799669) 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, 26474 + ... + 26766.

It is an arithmetic number, because the mean of its divisors is an integer number (376614).

Almost surely, 2^7799660 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 7799660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9038736).

7799660 is an abundant number, since it is smaller than the sum of its proper divisors (10277812).

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

7799660 is a wasteful number, since it uses less digits than its factorization.

7799660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 7799660 is about 2792.7871383262. The cubic root of 7799660 is about 198.3163666645.

The spelling of 7799660 in words is "seven million, seven hundred ninety-nine thousand, six hundred sixty".