70320241 has 4 divisors (see below), whose sum is σ = 71647092. Its totient is φ = 68993392.

The previous prime is 70320233. The next prime is 70320259. The reversal of 70320241 is 14202307.

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 24960016 + 45360225 = 4996^2 + 6735^2 .

It is a cyclic number.

It is not a de Polignac number, because 70320241 - 2³ = 70320233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70320221) 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, 663346 + ... + 663451.

It is an arithmetic number, because the mean of its divisors is an integer number (17911773).

Almost surely, 2^70320241 is an apocalyptic number.

It is an amenable number.

70320241 is a deficient number, since it is larger than the sum of its proper divisors (1326851).

70320241 is a wasteful number, since it uses less digits than its factorization.

70320241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326850.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 70320241 is about 8385.7164869795. The cubic root of 70320241 is about 412.7560523523.

Adding to 70320241 its reverse (14202307), we get a palindrome (84522548).

The spelling of 70320241 in words is "seventy million, three hundred twenty thousand, two hundred forty-one".