7707996 has 72 divisors (see below), whose sum is σ = 20966400. Its totient is φ = 2380320.

The previous prime is 7707991. The next prime is 7708003. The reversal of 7707996 is 6997077.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (7707991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40261 + ... + 40451.

It is an arithmetic number, because the mean of its divisors is an integer number (291200).

Almost surely, 2^7707996 is an apocalyptic number.

7707996 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7707996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10483200).

7707996 is an abundant number, since it is smaller than the sum of its proper divisors (13258404).

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

7707996 is a wasteful number, since it uses less digits than its factorization.

7707996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 7707996 is about 2776.3277904455. The cubic root of 7707996 is about 197.5364115957.

The spelling of 7707996 in words is "seven million, seven hundred seven thousand, nine hundred ninety-six".