7701616 has 40 divisors (see below), whose sum is σ = 16360064. Its totient is φ = 3490560.

The previous prime is 7701611. The next prime is 7701623. The reversal of 7701616 is 6161077.

7701616 = 475² + 476² + ... + 506².

It is a super-2 number, since 2×7701616² = 118629778022912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7701611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12385 + ... + 12991.

Almost surely, 2^7701616 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 7701616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8180032).

7701616 is an abundant number, since it is smaller than the sum of its proper divisors (8658448).

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

7701616 is a wasteful number, since it uses less digits than its factorization.

7701616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 7701616 is about 2775.1785528142. The cubic root of 7701616 is about 197.4818954723.

The spelling of 7701616 in words is "seven million, seven hundred one thousand, six hundred sixteen".