70345001 has 2 divisors, whose sum is σ = 70345002. Its totient is φ = 70345000.

The previous prime is 70344991. The next prime is 70345007. The reversal of 70345001 is 10054307.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41615401 + 28729600 = 6451^2 + 5360^2 .

It is a cyclic number.

It is not a de Polignac number, because 70345001 - 2²² = 66150697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70345007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35172500 + 35172501.

It is an arithmetic number, because the mean of its divisors is an integer number (35172501).

Almost surely, 2^70345001 is an apocalyptic number.

It is an amenable number.

70345001 is a deficient number, since it is larger than the sum of its proper divisors (1).

70345001 is an equidigital number, since it uses as much as digits as its factorization.

70345001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 70345001 is about 8387.1926769331. The cubic root of 70345001 is about 412.8044909454.

Adding to 70345001 its reverse (10054307), we get a palindrome (80399308).

The spelling of 70345001 in words is "seventy million, three hundred forty-five thousand, one".