70426321 has 8 divisors (see below), whose sum is σ = 80539200. Its totient is φ = 60326448.

The previous prime is 70426319. The next prime is 70426337. The reversal of 70426321 is 12362407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70426321 - 2¹ = 70426319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70426361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15870 + ... + 19816.

It is an arithmetic number, because the mean of its divisors is an integer number (10067400).

Almost surely, 2^70426321 is an apocalyptic number.

It is an amenable number.

70426321 is a deficient number, since it is larger than the sum of its proper divisors (10112879).

70426321 is a wasteful number, since it uses less digits than its factorization.

70426321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 70426321 is about 8392.0391443320. The cubic root of 70426321 is about 412.9634993255.

Adding to 70426321 its reverse (12362407), we get a palindrome (82788728).

The spelling of 70426321 in words is "seventy million, four hundred twenty-six thousand, three hundred twenty-one".