70797 has 4 divisors (see below), whose sum is σ = 94400. Its totient is φ = 47196.

The previous prime is 70793. The next prime is 70823. The reversal of 70797 is 79707.

70797 = 54² + 55² + ... + 71².

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 not a de Polignac number, because 70797 - 2² = 70793 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70793) 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 3 ways as a sum of consecutive naturals, for example, 11797 + ... + 11802.

It is an arithmetic number, because the mean of its divisors is an integer number (23600).

2⁷⁰⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

70797 is a deficient number, since it is larger than the sum of its proper divisors (23603).

70797 is a wasteful number, since it uses less digits than its factorization.

70797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23602.

The product of its (nonzero) digits is 3087, while the sum is 30.

The square root of 70797 is about 266.0770565081. The cubic root of 70797 is about 41.3686756914.

The spelling of 70797 in words is "seventy thousand, seven hundred ninety-seven".