70065263 has 4 divisors (see below), whose sum is σ = 70086288. Its totient is φ = 70044240.

The previous prime is 70065253. The next prime is 70065277. The reversal of 70065263 is 36256007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70065263 - 2²⁰ = 69016687 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 (70065223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4283 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (17521572).

Almost surely, 2^70065263 is an apocalyptic number.

70065263 is a deficient number, since it is larger than the sum of its proper divisors (21025).

70065263 is a wasteful number, since it uses less digits than its factorization.

70065263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21024.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 70065263 is about 8370.4995669315. The cubic root of 70065263 is about 412.2565699319.

It can be divided in two parts, 7006 and 5263, that multiplied together give a triangular number (36872578 = T₈₅₈₇).

The spelling of 70065263 in words is "seventy million, sixty-five thousand, two hundred sixty-three".