7425730 has 24 divisors (see below), whose sum is σ = 14454972. Its totient is φ = 2730336.

The previous prime is 7425721. The next prime is 7425731. The reversal of 7425730 is 375247.

It can be written as a sum of positive squares in 2 ways, for example, as 6911641 + 514089 = 2629^2 + 717^2 .

It is not an unprimeable number, because it can be changed into a prime (7425731) by changing a digit.

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, 30951 + ... + 31189.

Almost surely, 2^7425730 is an apocalyptic number.

7425730 is a deficient number, since it is larger than the sum of its proper divisors (7029242).

7425730 is a wasteful number, since it uses less digits than its factorization.

7425730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 7425730 is about 2725.0192659869. The cubic root of 7425730 is about 195.0951102980.

The spelling of 7425730 in words is "seven million, four hundred twenty-five thousand, seven hundred thirty".