70873 has 8 divisors (see below), whose sum is σ = 82080. Its totient is φ = 60480.

The previous prime is 70867. The next prime is 70877. The reversal of 70873 is 37807.

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

It is a cyclic number.

It is not a de Polignac number, because 70873 - 2⁵ = 70841 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3 + ... + 376.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2⁷⁰⁸⁷³ is an apocalyptic number.

It is an amenable number.

70873 is a deficient number, since it is larger than the sum of its proper divisors (11207).

70873 is a wasteful number, since it uses less digits than its factorization.

70873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 70873 is about 266.2198339719. The cubic root of 70873 is about 41.3834733759.

The spelling of 70873 in words is "seventy thousand, eight hundred seventy-three".