7242391741 has 12 divisors (see below), whose sum is σ = 8033637780. Its totient is φ = 6522222720.

The previous prime is 7242391721. The next prime is 7242391759. The reversal of 7242391741 is 1471932427.

It is a happy number.

7242391741 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2318422500 + 4923969241 = 48150^2 + 70171^2 .

It is not a de Polignac number, because 7242391741 - 2⁷ = 7242391613 is a prime.

It is a super-2 number, since 2×7242391741² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7242391694 and 7242391703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242391711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515686 + ... + 529543.

It is an arithmetic number, because the mean of its divisors is an integer number (669469815).

Almost surely, 2^7242391741 is an apocalyptic number.

It is an amenable number.

7242391741 is a deficient number, since it is larger than the sum of its proper divisors (791246039).

7242391741 is a wasteful number, since it uses less digits than its factorization.

7242391741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045296 (or 1045283 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 7242391741 is about 85102.2428670361. The cubic root of 7242391741 is about 1934.7610573247.

The spelling of 7242391741 in words is "seven billion, two hundred forty-two million, three hundred ninety-one thousand, seven hundred forty-one".