7628280 has 64 divisors (see below), whose sum is σ = 24969600. Its totient is φ = 1848960.

The previous prime is 7628251. The next prime is 7628293. The reversal of 7628280 is 828267.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1570 + ... + 4209.

It is an arithmetic number, because the mean of its divisors is an integer number (390150).

Almost surely, 2^7628280 is an apocalyptic number.

It is an amenable number.

7628280 is an abundant number, since it is smaller than the sum of its proper divisors (17341320).

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

7628280 is a wasteful number, since it uses less digits than its factorization.

7628280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804 (or 5800 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 7628280 is about 2761.9341049344. The cubic root of 7628280 is about 196.8530774279.

The spelling of 7628280 in words is "seven million, six hundred twenty-eight thousand, two hundred eighty".