7420535345 has 4 divisors (see below), whose sum is σ = 8904642420. Its totient is φ = 5936428272.

The previous prime is 7420535293. The next prime is 7420535417. The reversal of 7420535345 is 5435350247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2752366369 + 4668168976 = 52463^2 + 68324^2 .

It is a cyclic number.

It is not a de Polignac number, because 7420535345 - 2¹⁴ = 7420518961 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7420535299 and 7420535308.

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, 742053530 + ... + 742053539.

It is an arithmetic number, because the mean of its divisors is an integer number (2226160605).

Almost surely, 2^7420535345 is an apocalyptic number.

It is an amenable number.

7420535345 is a deficient number, since it is larger than the sum of its proper divisors (1484107075).

7420535345 is a wasteful number, since it uses less digits than its factorization.

7420535345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484107074.

The product of its (nonzero) digits is 252000, while the sum is 38.

The square root of 7420535345 is about 86142.5292465922. The cubic root of 7420535345 is about 1950.4960688393.

The spelling of 7420535345 in words is "seven billion, four hundred twenty million, five hundred thirty-five thousand, three hundred forty-five".