7346428 has 24 divisors (see below), whose sum is σ = 13198640. Its totient is φ = 3576960.

The previous prime is 7346371. The next prime is 7346459. The reversal of 7346428 is 8246437.

It is a d-powerful number, because it can be written as 7⁴ + 3⁷ + 4¹⁰ + 6⁴ + 4¹¹ + 2²¹ + 8³ .

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 7346393 and 7346402.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 40498 + ... + 40678.

Almost surely, 2^7346428 is an apocalyptic number.

It is an amenable number.

7346428 is a deficient number, since it is larger than the sum of its proper divisors (5852212).

7346428 is a wasteful number, since it uses less digits than its factorization.

7346428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 395 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 7346428 is about 2710.4294862623. The cubic root of 7346428 is about 194.3981266790.

Subtracting 7346428 from its reverse (8246437), we obtain a palindrome (900009).

The spelling of 7346428 in words is "seven million, three hundred forty-six thousand, four hundred twenty-eight".