7205917042 has 8 divisors (see below), whose sum is σ = 11181595500. Its totient is φ = 3478718544.

The previous prime is 7205916983. The next prime is 7205917087. The reversal of 7205917042 is 2407195027.

It can be written as a sum of positive squares in 2 ways, for example, as 7190870401 + 15046641 = 84799^2 + 3879^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7205916992 and 7205917010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62119917 + ... + 62120032.

Almost surely, 2^7205917042 is an apocalyptic number.

7205917042 is a deficient number, since it is larger than the sum of its proper divisors (3975678458).

7205917042 is a wasteful number, since it uses less digits than its factorization.

7205917042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124239980.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 7205917042 is about 84887.6730862615. The cubic root of 7205917042 is about 1931.5075911552.

The spelling of 7205917042 in words is "seven billion, two hundred five million, nine hundred seventeen thousand, forty-two".