7428900 has 36 divisors (see below), whose sum is σ = 21495152. Its totient is φ = 1980960.

The previous prime is 7428899. The next prime is 7428917. The reversal of 7428900 is 98247.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 11 ways as a sum of consecutive naturals, for example, 12082 + ... + 12681.

Almost surely, 2^7428900 is an apocalyptic number.

It is an amenable number.

7428900 is an abundant number, since it is smaller than the sum of its proper divisors (14066252).

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

7428900 is a wasteful number, since it uses less digits than its factorization.

7428900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24780 (or 24773 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 7428900 is about 2725.6008511886. The cubic root of 7428900 is about 195.1228679962.

The spelling of 7428900 in words is "seven million, four hundred twenty-eight thousand, nine hundred".