7231628 has 12 divisors (see below), whose sum is σ = 13321560. Its totient is φ = 3425472.

The previous prime is 7231607. The next prime is 7231633. The reversal of 7231628 is 8261327.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7231628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47501 + ... + 47652.

It is an arithmetic number, because the mean of its divisors is an integer number (1110130).

Almost surely, 2^7231628 is an apocalyptic number.

It is an amenable number.

7231628 is a deficient number, since it is larger than the sum of its proper divisors (6089932).

7231628 is a wasteful number, since it uses less digits than its factorization.

7231628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95176 (or 95174 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 7231628 is about 2689.1686447674. The cubic root of 7231628 is about 193.3802092703.

The spelling of 7231628 in words is "seven million, two hundred thirty-one thousand, six hundred twenty-eight".