7716003420 has 96 divisors (see below), whose sum is σ = 22136083200. Its totient is φ = 2007129600.

The previous prime is 7716003413. The next prime is 7716003431. The reversal of 7716003420 is 243006177.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2704995 + ... + 2707845.

It is an arithmetic number, because the mean of its divisors is an integer number (230584200).

Almost surely, 2^7716003420 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 7716003420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11068041600).

7716003420 is an abundant number, since it is smaller than the sum of its proper divisors (14420079780).

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

7716003420 is a wasteful number, since it uses less digits than its factorization.

7716003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955 (or 3953 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 7716003420 is about 87840.7844910324. The cubic root of 7716003420 is about 1976.0479121926.

Adding to 7716003420 its reverse (243006177), we get a palindrome (7959009597).

The spelling of 7716003420 in words is "seven billion, seven hundred sixteen million, three thousand, four hundred twenty".