70313565 has 32 divisors (see below), whose sum is σ = 131717376. Its totient is φ = 31357440.

The previous prime is 70313539. The next prime is 70313569. The reversal of 70313565 is 56531307.

It is not a de Polignac number, because 70313565 - 2²⁰ = 69264989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70313569) 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 31 ways as a sum of consecutive naturals, for example, 3862 + ... + 12471.

It is an arithmetic number, because the mean of its divisors is an integer number (4116168).

Almost surely, 2^70313565 is an apocalyptic number.

It is an amenable number.

70313565 is a deficient number, since it is larger than the sum of its proper divisors (61403811).

70313565 is a wasteful number, since it uses less digits than its factorization.

70313565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16389.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 70313565 is about 8385.3184197143. The cubic root of 70313565 is about 412.7429899843.

The spelling of 70313565 in words is "seventy million, three hundred thirteen thousand, five hundred sixty-five".