7603428 has 72 divisors (see below), whose sum is σ = 21054432. Its totient is φ = 2128896.

The previous prime is 7603417. The next prime is 7603429. The reversal of 7603428 is 8243067.

It is a junction number, because it is equal to n+sod(n) for n = 7603395 and 7603404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7603429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39300 + ... + 39492.

Almost surely, 2^7603428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7603428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10527216).

7603428 is an abundant number, since it is smaller than the sum of its proper divisors (13451004).

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

7603428 is a wasteful number, since it uses less digits than its factorization.

7603428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 7603428 is about 2757.4314134716. The cubic root of 7603428 is about 196.6390704680.

The spelling of 7603428 in words is "seven million, six hundred three thousand, four hundred twenty-eight".