70534565 has 4 divisors (see below), whose sum is σ = 84641484. Its totient is φ = 56427648.

The previous prime is 70534531. The next prime is 70534567. The reversal of 70534565 is 56543507.

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 54140164 + 16394401 = 7358^2 + 4049^2 .

It is a cyclic number.

It is not a de Polignac number, because 70534565 - 2¹² = 70530469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70534567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7053452 + ... + 7053461.

It is an arithmetic number, because the mean of its divisors is an integer number (21160371).

Almost surely, 2^70534565 is an apocalyptic number.

It is an amenable number.

70534565 is a deficient number, since it is larger than the sum of its proper divisors (14106919).

70534565 is a wasteful number, since it uses less digits than its factorization.

70534565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14106918.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 70534565 is about 8398.4858754421. The cubic root of 70534565 is about 413.1749635359.

The spelling of 70534565 in words is "seventy million, five hundred thirty-four thousand, five hundred sixty-five".