70260013 has 4 divisors (see below), whose sum is σ = 70441020. Its totient is φ = 70079008.

The previous prime is 70260007. The next prime is 70260023. The reversal of 70260013 is 31006207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31006207 = 349 ⋅88843.

It can be written as a sum of positive squares in 2 ways, for example, as 47858724 + 22401289 = 6918^2 + 4733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70260013 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 (70260023) 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, 89920 + ... + 90697.

It is an arithmetic number, because the mean of its divisors is an integer number (17610255).

Almost surely, 2^70260013 is an apocalyptic number.

It is an amenable number.

70260013 is a deficient number, since it is larger than the sum of its proper divisors (181007).

70260013 is a wasteful number, since it uses less digits than its factorization.

70260013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181006.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 70260013 is about 8382.1246113381. The cubic root of 70260013 is about 412.6381793579.

The spelling of 70260013 in words is "seventy million, two hundred sixty thousand, thirteen".