7120438036 has 6 divisors (see below), whose sum is σ = 12460766570. Its totient is φ = 3560219016.

The previous prime is 7120438021. The next prime is 7120438103. The reversal of 7120438036 is 6308340217.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6287538436 + 832899600 = 79294^2 + 28860^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7120437992 and 7120438010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890054751 + ... + 890054758.

Almost surely, 2^7120438036 is an apocalyptic number.

It is an amenable number.

7120438036 is a deficient number, since it is larger than the sum of its proper divisors (5340328534).

7120438036 is a wasteful number, since it uses less digits than its factorization.

7120438036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780109513 (or 1780109511 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 7120438036 is about 84382.6880112266. The cubic root of 7120438036 is about 1923.8397943636.

The spelling of 7120438036 in words is "seven billion, one hundred twenty million, four hundred thirty-eight thousand, thirty-six".