70973 has 4 divisors (see below), whose sum is σ = 81120. Its totient is φ = 60828.

The previous prime is 70969. The next prime is 70979. The reversal of 70973 is 37907.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70973 - 2² = 70969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063 + ... + 5076.

It is an arithmetic number, because the mean of its divisors is an integer number (20280).

2⁷⁰⁹⁷³ is an apocalyptic number.

It is an amenable number.

70973 is a deficient number, since it is larger than the sum of its proper divisors (10147).

70973 is a wasteful number, since it uses less digits than its factorization.

70973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 70973 is about 266.4075824747. The cubic root of 70973 is about 41.4029279048.

The spelling of 70973 in words is "seventy thousand, nine hundred seventy-three".