70340173 has 4 divisors (see below), whose sum is σ = 70389088. Its totient is φ = 70291260.

The previous prime is 70340119. The next prime is 70340183. The reversal of 70340173 is 37104307.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37104307 = 5683 ⋅6529.

It is a cyclic number.

It is not a de Polignac number, because 70340173 - 2¹³ = 70331981 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 (70340183) 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, 22233 + ... + 25198.

It is an arithmetic number, because the mean of its divisors is an integer number (17597272).

Almost surely, 2^70340173 is an apocalyptic number.

It is an amenable number.

70340173 is a deficient number, since it is larger than the sum of its proper divisors (48915).

70340173 is a wasteful number, since it uses less digits than its factorization.

70340173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48914.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 70340173 is about 8386.9048522086. The cubic root of 70340173 is about 412.7950467032.

The spelling of 70340173 in words is "seventy million, three hundred forty thousand, one hundred seventy-three".