100070 has 8 divisors (see below), whose sum is σ = 180144. Its totient is φ = 40024.

The previous prime is 100069. The next prime is 100103. The reversal of 100070 is 70001.

100070 = 61² + 62² + ... + 80².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4994 + ... + 5013.

It is an arithmetic number, because the mean of its divisors is an integer number (22518).

2¹⁰⁰⁰⁷⁰ is an apocalyptic number.

100070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100070 is a deficient number, since it is larger than the sum of its proper divisors (80074).

100070 is a wasteful number, since it uses less digits than its factorization.

100070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10014.

The product of its (nonzero) digits is 7, while the sum is 8.

The square root of 100070 is about 316.3384263728. The cubic root of 100070 is about 46.4267161840.

Adding to 100070 its reverse (70001), we get a palindrome (170071).

The spelling of 100070 in words is "one hundred thousand, seventy", and thus it is an iban number.