662075345 has 4 divisors (see below), whose sum is σ = 794490420. Its totient is φ = 529660272.

The previous prime is 662075321. The next prime is 662075347. The reversal of 662075345 is 543570266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543570266 = 2 ⋅271785133.

It can be written as a sum of positive squares in 2 ways, for example, as 185395456 + 476679889 = 13616^2 + 21833^2 .

It is a cyclic number.

It is not a de Polignac number, because 662075345 - 2²⁶ = 594966481 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 662075299 and 662075308.

It is not an unprimeable number, because it can be changed into a prime (662075347) 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 3 ways as a sum of consecutive naturals, for example, 66207530 + ... + 66207539.

It is an arithmetic number, because the mean of its divisors is an integer number (198622605).

Almost surely, 2^662075345 is an apocalyptic number.

It is an amenable number.

662075345 is a deficient number, since it is larger than the sum of its proper divisors (132415075).

662075345 is a wasteful number, since it uses less digits than its factorization.

662075345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132415074.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 662075345 is about 25730.8248021706. The cubic root of 662075345 is about 871.5703987624.

The spelling of 662075345 in words is "six hundred sixty-two million, seventy-five thousand, three hundred forty-five".