7243957 has 8 divisors (see below), whose sum is σ = 8316800. Its totient is φ = 6180624.

The previous prime is 7243949. The next prime is 7243967. The reversal of 7243957 is 7593427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7243957 - 2³ = 7243949 is a prime.

It is a d-powerful number, because it can be written as 7⁵ + 2⁵ + 4¹¹ + 3¹² + 9⁶ + 5⁹ + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7243927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657 + ... + 3862.

It is an arithmetic number, because the mean of its divisors is an integer number (1039600).

Almost surely, 2^7243957 is an apocalyptic number.

It is an amenable number.

7243957 is a deficient number, since it is larger than the sum of its proper divisors (1072843).

7243957 is a wasteful number, since it uses less digits than its factorization.

7243957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755.

The product of its digits is 52920, while the sum is 37.

The square root of 7243957 is about 2691.4600127069. The cubic root of 7243957 is about 193.4900430436.

The spelling of 7243957 in words is "seven million, two hundred forty-three thousand, nine hundred fifty-seven".