70442305 has 36 divisors (see below), whose sum is σ = 95212980. Its totient is φ = 49960960.

The previous prime is 70442303. The next prime is 70442311. The reversal of 70442305 is 50324407.

It can be written as a sum of positive squares in 18 ways, for example, as 56670784 + 13771521 = 7528^2 + 3711^2 .

It is not a de Polignac number, because 70442305 - 2¹ = 70442303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70442305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70442303) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1718085 + ... + 1718125.

It is an arithmetic number, because the mean of its divisors is an integer number (2644805).

Almost surely, 2^70442305 is an apocalyptic number.

It is an amenable number.

70442305 is a deficient number, since it is larger than the sum of its proper divisors (24770675).

70442305 is a wasteful number, since it uses less digits than its factorization.

70442305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 70442305 is about 8392.9914214182. The cubic root of 70442305 is about 412.9947391099.

The spelling of 70442305 in words is "seventy million, four hundred forty-two thousand, three hundred five".