70227505 has 4 divisors (see below), whose sum is σ = 84273012. Its totient is φ = 56182000.

The previous prime is 70227503. The next prime is 70227559. The reversal of 70227505 is 50572207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50572207 = 7 ⋅7224601.

It can be written as a sum of positive squares in 2 ways, for example, as 46403344 + 23824161 = 6812^2 + 4881^2 .

It is not a de Polignac number, because 70227505 - 2¹ = 70227503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70227503) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 7022746 + ... + 7022755.

It is an arithmetic number, because the mean of its divisors is an integer number (21068253).

Almost surely, 2^70227505 is an apocalyptic number.

It is an amenable number.

70227505 is a deficient number, since it is larger than the sum of its proper divisors (14045507).

70227505 is a wasteful number, since it uses less digits than its factorization.

70227505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14045506.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 70227505 is about 8380.1852604820. The cubic root of 70227505 is about 412.5745295392.

The spelling of 70227505 in words is "seventy million, two hundred twenty-seven thousand, five hundred five".