7250731 has 4 divisors (see below), whose sum is σ = 7297072. Its totient is φ = 7204392.

The previous prime is 7250717. The next prime is 7250759. The reversal of 7250731 is 1370527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7250731 - 2⁹ = 7250219 is a prime.

It is a super-2 number, since 2×7250731² = 105146200068722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7250696 and 7250705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7250701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22935 + ... + 23248.

It is an arithmetic number, because the mean of its divisors is an integer number (1824268).

Almost surely, 2^7250731 is an apocalyptic number.

7250731 is a deficient number, since it is larger than the sum of its proper divisors (46341).

7250731 is a wasteful number, since it uses less digits than its factorization.

7250731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46340.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 7250731 is about 2692.7181434380. The cubic root of 7250731 is about 193.5503366652.

The spelling of 7250731 in words is "seven million, two hundred fifty thousand, seven hundred thirty-one".