70434 has 48 divisors (see below), whose sum is σ = 192192. Its totient is φ = 18144.

The previous prime is 70429. The next prime is 70439. The reversal of 70434 is 43407.

70434 = 36² + 37² + ... + 63².

It is an interprime number because it is at equal distance from previous prime (70429) and next prime (70439).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70439) by changing a digit.

70434 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 23 ways as a sum of consecutive naturals, for example, 1617 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (4004).

2⁷⁰⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96096).

70434 is an abundant number, since it is smaller than the sum of its proper divisors (121758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70434 is a wasteful number, since it uses less digits than its factorization.

70434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 70434 is about 265.3940466552. The cubic root of 70434 is about 41.2978508068.

The spelling of 70434 in words is "seventy thousand, four hundred thirty-four".