70342 has 4 divisors (see below), whose sum is σ = 105516. Its totient is φ = 35170.

The previous prime is 70327. The next prime is 70351. The reversal of 70342 is 24307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24307 = 109 ⋅223.

It is a congruent number.

It is an unprimeable number.

70342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17584 + ... + 17587.

It is an arithmetic number, because the mean of its divisors is an integer number (26379).

2⁷⁰³⁴² is an apocalyptic number.

70342 is a deficient number, since it is larger than the sum of its proper divisors (35174).

70342 is a wasteful number, since it uses less digits than its factorization.

70342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35173.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 70342 is about 265.2206628451. The cubic root of 70342 is about 41.2798620621.

Adding to 70342 its reverse (24307), we get a palindrome (94649).

The spelling of 70342 in words is "seventy thousand, three hundred forty-two", and thus it is an iban number.