70569065 has 24 divisors (see below), whose sum is σ = 99419400. Its totient is φ = 47943168.

The previous prime is 70569061. The next prime is 70569067. The reversal of 70569065 is 56096507.

It can be written as a sum of positive squares in 4 ways, for example, as 4293184 + 66275881 = 2072^2 + 8141^2 .

It is not a de Polignac number, because 70569065 - 2² = 70569061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70569061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26411 + ... + 28959.

It is an arithmetic number, because the mean of its divisors is an integer number (4142475).

Almost surely, 2^70569065 is an apocalyptic number.

It is an amenable number.

70569065 is a deficient number, since it is larger than the sum of its proper divisors (28850335).

70569065 is a wasteful number, since it uses less digits than its factorization.

70569065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 70569065 is about 8400.5395660041. The cubic root of 70569065 is about 413.2423168627.

The spelling of 70569065 in words is "seventy million, five hundred sixty-nine thousand, sixty-five".