70370005 has 4 divisors (see below), whose sum is σ = 84444012. Its totient is φ = 56296000.

The previous prime is 70369991. The next prime is 70370009. The reversal of 70370005 is 50007307.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12716356 + 57653649 = 3566^2 + 7593^2 .

It is not a de Polignac number, because 70370005 - 2¹³ = 70361813 is a prime.

It is a super-3 number, since 3×70370005³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) 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 (70370009) 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, 7036996 + ... + 7037005.

It is an arithmetic number, because the mean of its divisors is an integer number (21111003).

Almost surely, 2^70370005 is an apocalyptic number.

It is an amenable number.

70370005 is a deficient number, since it is larger than the sum of its proper divisors (14074007).

70370005 is a wasteful number, since it uses less digits than its factorization.

70370005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14074006.

The product of its (nonzero) digits is 735, while the sum is 22.

The square root of 70370005 is about 8388.6831505308. The cubic root of 70370005 is about 412.8533953482.

The spelling of 70370005 in words is "seventy million, three hundred seventy thousand, five".