7615660 has 48 divisors (see below), whose sum is σ = 18246816. Its totient is φ = 2644992.

The previous prime is 7615649. The next prime is 7615669. The reversal of 7615660 is 665167.

It is not an unprimeable number, because it can be changed into a prime (7615669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3559 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (380142).

Almost surely, 2^7615660 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 7615660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9123408).

7615660 is an abundant number, since it is smaller than the sum of its proper divisors (10631156).

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

7615660 is a wasteful number, since it uses less digits than its factorization.

7615660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 7615660 is about 2759.6485283456. The cubic root of 7615660 is about 196.7444615462.

The spelling of 7615660 in words is "seven million, six hundred fifteen thousand, six hundred sixty".