7242757337 has 8 divisors (see below), whose sum is σ = 7494256200. Its totient is φ = 6991375104.

The previous prime is 7242757321. The next prime is 7242757391. The reversal of 7242757337 is 7337572427.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1457025241 + 5785732096 = 38171^2 + 76064^2 .

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 7242757337 - 2⁴ = 7242757321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7242757291 and 7242757300.

It is not an unprimeable number, because it can be changed into a prime (7242757397) 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, 108239 + ... + 161867.

It is an arithmetic number, because the mean of its divisors is an integer number (936782025).

Almost surely, 2^7242757337 is an apocalyptic number.

It is an amenable number.

7242757337 is a deficient number, since it is larger than the sum of its proper divisors (251498863).

7242757337 is a wasteful number, since it uses less digits than its factorization.

7242757337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58315.

The product of its digits is 1728720, while the sum is 47.

The square root of 7242757337 is about 85104.3908209206. The cubic root of 7242757337 is about 1934.7936123621.

The spelling of 7242757337 in words is "seven billion, two hundred forty-two million, seven hundred fifty-seven thousand, three hundred thirty-seven".