70013927 has 4 divisors (see below), whose sum is σ = 70051800. Its totient is φ = 69976056.

The previous prime is 70013893. The next prime is 70013929. The reversal of 70013927 is 72931007.

It is a happy number.

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 70013927 - 2¹⁰ = 70012903 is a prime.

It is a super-4 number, since 4×70013927⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70013927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70013929) 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, 16013 + ... + 19910.

It is an arithmetic number, because the mean of its divisors is an integer number (17512950).

Almost surely, 2^70013927 is an apocalyptic number.

70013927 is a deficient number, since it is larger than the sum of its proper divisors (37873).

70013927 is a wasteful number, since it uses less digits than its factorization.

70013927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37872.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 70013927 is about 8367.4325213891. The cubic root of 70013927 is about 412.1558601400.

The spelling of 70013927 in words is "seventy million, thirteen thousand, nine hundred twenty-seven".