7661316 has 48 divisors (see below), whose sum is σ = 19565504. Its totient is φ = 2318976.

The previous prime is 7661299. The next prime is 7661317. The reversal of 7661316 is 6131667.

It is not an unprimeable number, because it can be changed into a prime (7661317) 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, 10086 + ... + 10818.

Almost surely, 2^7661316 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 7661316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9782752).

7661316 is an abundant number, since it is smaller than the sum of its proper divisors (11904188).

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

7661316 is a wasteful number, since it uses less digits than its factorization.

7661316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 818 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 7661316 is about 2767.9082354731. The cubic root of 7661316 is about 197.1368405161.

The spelling of 7661316 in words is "seven million, six hundred sixty-one thousand, three hundred sixteen".