7230400 has 42 divisors (see below), whose sum is σ = 17795240. Its totient is φ = 2891520.

The previous prime is 7230331. The next prime is 7230479. The reversal of 7230400 is 40327.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 5 ways as a sum of consecutive naturals, for example, 660 + ... + 3859.

Almost surely, 2^7230400 is an apocalyptic number.

It is an amenable number.

7230400 is an abundant number, since it is smaller than the sum of its proper divisors (10564840).

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

7230400 is a wasteful number, since it uses less digits than its factorization.

7230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 7230400 is about 2688.9403117213. The cubic root of 7230400 is about 193.3692627107.

Adding to 7230400 its reverse (40327), we get a palindrome (7270727).

The spelling of 7230400 in words is "seven million, two hundred thirty thousand, four hundred".