70406 has 16 divisors (see below), whose sum is σ = 124416. Its totient is φ = 29256.

The previous prime is 70393. The next prime is 70423. The reversal of 70406 is 60407.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

70406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (7776).

2⁷⁰⁴⁰⁶ is an apocalyptic number.

70406 is a deficient number, since it is larger than the sum of its proper divisors (54010).

70406 is a wasteful number, since it uses less digits than its factorization.

70406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 70406 is about 265.3412896630. The cubic root of 70406 is about 41.2923776305.

Subtracting from 70406 its reverse (60407), we obtain a palindrome (9999).

The spelling of 70406 in words is "seventy thousand, four hundred six".