7428430 has 16 divisors (see below), whose sum is σ = 14075280. Its totient is φ = 2814912.

The previous prime is 7428419. The next prime is 7428431. The reversal of 7428430 is 348247.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428431) 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, 19359 + ... + 19738.

It is an arithmetic number, because the mean of its divisors is an integer number (879705).

Almost surely, 2^7428430 is an apocalyptic number.

7428430 is a deficient number, since it is larger than the sum of its proper divisors (6646850).

7428430 is a wasteful number, since it uses less digits than its factorization.

7428430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39123.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 7428430 is about 2725.5146303038. The cubic root of 7428430 is about 195.1187530002.

The spelling of 7428430 in words is "seven million, four hundred twenty-eight thousand, four hundred thirty".