65070705 has 32 divisors (see below), whose sum is σ = 122830848. Its totient is φ = 28785600.

The previous prime is 65070689. The next prime is 65070727. The reversal of 65070705 is 50707056.

It is not a de Polignac number, because 65070705 - 2⁴ = 65070689 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6741 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (3838464).

Almost surely, 2^65070705 is an apocalyptic number.

It is an amenable number.

65070705 is a deficient number, since it is larger than the sum of its proper divisors (57760143).

65070705 is a wasteful number, since it uses less digits than its factorization.

65070705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20037.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 65070705 is about 8066.6414944511. The cubic root of 65070705 is about 402.2183104220.

The spelling of 65070705 in words is "sixty-five million, seventy thousand, seven hundred five".