7243038837 has 12 divisors (see below), whose sum is σ = 10463760684. Its totient is φ = 4827957120.

The previous prime is 7243038797. The next prime is 7243038871. The reversal of 7243038837 is 7388303427.

It can be written as a sum of positive squares in 2 ways, for example, as 6386247396 + 856791441 = 79914^2 + 29271^2 .

It is not a de Polignac number, because 7243038837 - 2¹² = 7243034741 is a prime.

It is a super-2 number, since 2×7243038837² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7243038792 and 7243038801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7243038437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4843 + ... + 120455.

It is an arithmetic number, because the mean of its divisors is an integer number (871980057).

Almost surely, 2^7243038837 is an apocalyptic number.

It is an amenable number.

7243038837 is a deficient number, since it is larger than the sum of its proper divisors (3220721847).

7243038837 is a wasteful number, since it uses less digits than its factorization.

7243038837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122580 (or 122577 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 7243038837 is about 85106.0446560642. The cubic root of 7243038837 is about 1934.8186782001.

The spelling of 7243038837 in words is "seven billion, two hundred forty-three million, thirty-eight thousand, eight hundred thirty-seven".