70342161 has 32 divisors (see below), whose sum is σ = 101706240. Its totient is φ = 43110144.

The previous prime is 70342117. The next prime is 70342177. The reversal of 70342161 is 16124307.

It is not a de Polignac number, because 70342161 - 2¹³ = 70333969 is a prime.

It is a super-2 number, since 2×70342161² = 9896039228299842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70342861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431466 + ... + 431628.

It is an arithmetic number, because the mean of its divisors is an integer number (3178320).

Almost surely, 2^70342161 is an apocalyptic number.

It is an amenable number.

70342161 is a deficient number, since it is larger than the sum of its proper divisors (31364079).

70342161 is a wasteful number, since it uses less digits than its factorization.

70342161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 70342161 is about 8387.0233694679. The cubic root of 70342161 is about 412.7989355611.

Adding to 70342161 its reverse (16124307), we get a palindrome (86466468).

The spelling of 70342161 in words is "seventy million, three hundred forty-two thousand, one hundred sixty-one".