70021301 has 4 divisors (see below), whose sum is σ = 80024352. Its totient is φ = 60018252.

The previous prime is 70021297. The next prime is 70021309. The reversal of 70021301 is 10312007.

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.

It is not a de Polignac number, because 70021301 - 2² = 70021297 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 (70021309) 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, 5001515 + ... + 5001528.

It is an arithmetic number, because the mean of its divisors is an integer number (20006088).

Almost surely, 2^70021301 is an apocalyptic number.

It is an amenable number.

70021301 is a deficient number, since it is larger than the sum of its proper divisors (10003051).

70021301 is a wasteful number, since it uses less digits than its factorization.

70021301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003050.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 70021301 is about 8367.8731467440. The cubic root of 70021301 is about 412.1703293119.

Adding to 70021301 its reverse (10312007), we get a palindrome (80333308).

The spelling of 70021301 in words is "seventy million, twenty-one thousand, three hundred one".