70442577 has 12 divisors (see below), whose sum is σ = 107735940. Its totient is φ = 44199168.

The previous prime is 70442573. The next prime is 70442599. The reversal of 70442577 is 77524407.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33281361 + 37161216 = 5769^2 + 6096^2 .

It is not a de Polignac number, because 70442577 - 2² = 70442573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70442573) 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 11 ways as a sum of consecutive naturals, for example, 230052 + ... + 230357.

It is an arithmetic number, because the mean of its divisors is an integer number (8977995).

Almost surely, 2^70442577 is an apocalyptic number.

It is an amenable number.

70442577 is a deficient number, since it is larger than the sum of its proper divisors (37293363).

70442577 is a wasteful number, since it uses less digits than its factorization.

70442577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460432 (or 460429 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 70442577 is about 8393.0076253987. The cubic root of 70442577 is about 412.9952706769.

The spelling of 70442577 in words is "seventy million, four hundred forty-two thousand, five hundred seventy-seven".