7249904 has 10 divisors (see below), whose sum is σ = 14046720. Its totient is φ = 3624944.

The previous prime is 7249901. The next prime is 7249919. The reversal of 7249904 is 4099427.

It is a super-2 number, since 2×7249904² = 105122216018432, which contains 22 as substring.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7249901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226544 + ... + 226575.

It is an arithmetic number, because the mean of its divisors is an integer number (1404672).

Almost surely, 2^7249904 is an apocalyptic number.

It is an amenable number.

7249904 is a deficient number, since it is larger than the sum of its proper divisors (6796816).

7249904 is a wasteful number, since it uses less digits than its factorization.

7249904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453127 (or 453121 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 7249904 is about 2692.5645767558. The cubic root of 7249904 is about 193.5429777652.

The spelling of 7249904 in words is "seven million, two hundred forty-nine thousand, nine hundred four".