70597 has 4 divisors (see below), whose sum is σ = 71136. Its totient is φ = 70060.

The previous prime is 70589. The next prime is 70607. The reversal of 70597 is 79507.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 70597 - 2³ = 70589 is a prime.

It is an Ulam number.

It is a Duffinian number.

70597 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70507) 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, 72 + ... + 382.

It is an arithmetic number, because the mean of its divisors is an integer number (17784).

2⁷⁰⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

70597 is a deficient number, since it is larger than the sum of its proper divisors (539).

70597 is a wasteful number, since it uses less digits than its factorization.

70597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 70597 is about 265.7009597273. The cubic root of 70597 is about 41.3296837453.

The spelling of 70597 in words is "seventy thousand, five hundred ninety-seven".