7280628 has 24 divisors (see below), whose sum is σ = 17031840. Its totient is φ = 2420640.

The previous prime is 7280621. The next prime is 7280633. The reversal of 7280628 is 8260827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7280621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8458 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (709660).

Almost surely, 2^7280628 is an apocalyptic number.

It is an amenable number.

7280628 is an abundant number, since it is smaller than the sum of its proper divisors (9751212).

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

7280628 is a wasteful number, since it uses less digits than its factorization.

7280628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 1565 counting only the distinct ones).

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

The square root of 7280628 is about 2698.2638862795. The cubic root of 7280628 is about 193.8159944455.

The spelling of 7280628 in words is "seven million, two hundred eighty thousand, six hundred twenty-eight".