70079719 has 4 divisors (see below), whose sum is σ = 70103880. Its totient is φ = 70055560.

The previous prime is 70079693. The next prime is 70079767. The reversal of 70079719 is 91797007.

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 70079719 - 2¹¹ = 70077671 is a prime.

It is a super-2 number, since 2×70079719² = 9822334030237922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70079419) 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, 7024 + ... + 13765.

It is an arithmetic number, because the mean of its divisors is an integer number (17525970).

Almost surely, 2^70079719 is an apocalyptic number.

70079719 is a deficient number, since it is larger than the sum of its proper divisors (24161).

70079719 is a wasteful number, since it uses less digits than its factorization.

70079719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24160.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 70079719 is about 8371.3630311915. The cubic root of 70079719 is about 412.2849205053.

The spelling of 70079719 in words is "seventy million, seventy-nine thousand, seven hundred nineteen".