70011479 has 4 divisors (see below), whose sum is σ = 70028376. Its totient is φ = 69994584.

The previous prime is 70011451. The next prime is 70011497. The reversal of 70011479 is 97411007.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 70011479 - 2¹² = 70007383 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 (70011419) 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, 2477 + ... + 12089.

It is an arithmetic number, because the mean of its divisors is an integer number (17507094).

Almost surely, 2^70011479 is an apocalyptic number.

70011479 is a deficient number, since it is larger than the sum of its proper divisors (16897).

70011479 is an equidigital number, since it uses as much as digits as its factorization.

70011479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16896.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 70011479 is about 8367.2862386798. The cubic root of 70011479 is about 412.1510564800.

The spelling of 70011479 in words is "seventy million, eleven thousand, four hundred seventy-nine".