7428704 has 24 divisors (see below), whose sum is σ = 14696640. Its totient is φ = 3696256.

The previous prime is 7428703. The next prime is 7428713. The reversal of 7428704 is 4078247.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8177 + ... + 9039.

It is an arithmetic number, because the mean of its divisors is an integer number (612360).

Almost surely, 2^7428704 is an apocalyptic number.

It is an amenable number.

7428704 is a deficient number, since it is larger than the sum of its proper divisors (7267936).

7428704 is a wasteful number, since it uses less digits than its factorization.

7428704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 7428704 is about 2725.5648955767. The cubic root of 7428704 is about 195.1211519764.

The spelling of 7428704 in words is "seven million, four hundred twenty-eight thousand, seven hundred four".