70345801 has 4 divisors (see below), whose sum is σ = 70859412. Its totient is φ = 69832192.

The previous prime is 70345757. The next prime is 70345817. The reversal of 70345801 is 10854307.

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 34633225 + 35712576 = 5885^2 + 5976^2 .

It is a cyclic number.

It is not a de Polignac number, because 70345801 - 2¹³ = 70337609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70345801.

It is not an unprimeable number, because it can be changed into a prime (70345001) 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, 256600 + ... + 256873.

It is an arithmetic number, because the mean of its divisors is an integer number (17714853).

Almost surely, 2^70345801 is an apocalyptic number.

It is an amenable number.

70345801 is a deficient number, since it is larger than the sum of its proper divisors (513611).

70345801 is a wasteful number, since it uses less digits than its factorization.

70345801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513610.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 70345801 is about 8387.2403685599. The cubic root of 70345801 is about 412.8060558154.

The spelling of 70345801 in words is "seventy million, three hundred forty-five thousand, eight hundred one".