7242586 has 8 divisors (see below), whose sum is σ = 11699604. Its totient is φ = 3342720.

The previous prime is 7242569. The next prime is 7242589. The reversal of 7242586 is 6852427.

It can be written as a sum of positive squares in 2 ways, for example, as 7123561 + 119025 = 2669^2 + 345^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7242589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139255 + ... + 139306.

Almost surely, 2^7242586 is an apocalyptic number.

7242586 is a deficient number, since it is larger than the sum of its proper divisors (4457018).

7242586 is a wasteful number, since it uses less digits than its factorization.

7242586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278576.

The product of its digits is 26880, while the sum is 34.

The square root of 7242586 is about 2691.2053061779. The cubic root of 7242586 is about 193.4778355542.

The spelling of 7242586 in words is "seven million, two hundred forty-two thousand, five hundred eighty-six".