7203428 has 24 divisors (see below), whose sum is σ = 12972960. Its totient is φ = 3498560.

The previous prime is 7203409. The next prime is 7203431. The reversal of 7203428 is 8243027.

It is a junction number, because it is equal to n+sod(n) for n = 7203397 and 7203406.

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 7 ways as a sum of consecutive naturals, for example, 30800 + ... + 31032.

It is an arithmetic number, because the mean of its divisors is an integer number (540540).

Almost surely, 2^7203428 is an apocalyptic number.

It is an amenable number.

7203428 is a deficient number, since it is larger than the sum of its proper divisors (5769532).

7203428 is a wasteful number, since it uses less digits than its factorization.

7203428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 7203428 is about 2683.9202670720. The cubic root of 7203428 is about 193.1285174071.

The spelling of 7203428 in words is "seven million, two hundred three thousand, four hundred twenty-eight".