7880628 has 48 divisors (see below), whose sum is σ = 21934080. Its totient is φ = 2153184.

The previous prime is 7880627. The next prime is 7880641. The reversal of 7880628 is 8260887.

It is a Smith number, since the sum of its digits (39) 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 (7880627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (456960).

Almost surely, 2^7880628 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 7880628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10967040).

7880628 is an abundant number, since it is smaller than the sum of its proper divisors (14053452).

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

7880628 is a wasteful number, since it uses less digits than its factorization.

7880628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 7880628 is about 2807.2456251636. The cubic root of 7880628 is about 199.0002441013. Note that the first 3 decimals are identical.

The spelling of 7880628 in words is "seven million, eight hundred eighty thousand, six hundred twenty-eight".