7628380 has 12 divisors (see below), whose sum is σ = 16019640. Its totient is φ = 3051344.

The previous prime is 7628377. The next prime is 7628389. The reversal of 7628380 is 838267.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7628389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190690 + ... + 190729.

It is an arithmetic number, because the mean of its divisors is an integer number (1334970).

Almost surely, 2^7628380 is an apocalyptic number.

It is an amenable number.

7628380 is an abundant number, since it is smaller than the sum of its proper divisors (8391260).

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

7628380 is a wasteful number, since it uses less digits than its factorization.

7628380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381428 (or 381426 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 7628380 is about 2761.9522081311. The cubic root of 7628380 is about 196.8539376141.

It can be divided in two parts, 7628 and 380, that added together give a palindrome (8008).

The spelling of 7628380 in words is "seven million, six hundred twenty-eight thousand, three hundred eighty".