70038 has 16 divisors (see below), whose sum is σ = 155760. Its totient is φ = 23328.

The previous prime is 70019. The next prime is 70039. The reversal of 70038 is 83007.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70039) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 595 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (9735).

2⁷⁰⁰³⁸ is an apocalyptic number.

70038 is an abundant number, since it is smaller than the sum of its proper divisors (85722).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77880).

70038 is a wasteful number, since it uses less digits than its factorization.

70038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 70038 is about 264.6469346129. The cubic root of 70038 is about 41.2203092129.

The spelling of 70038 in words is "seventy thousand, thirty-eight".