70571197 has 4 divisors (see below), whose sum is σ = 70755840. Its totient is φ = 70386556.

The previous prime is 70571177. The next prime is 70571201. The reversal of 70571197 is 79117507.

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 70571197 - 2¹⁹ = 70046909 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 (70571147) 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, 91747 + ... + 92512.

It is an arithmetic number, because the mean of its divisors is an integer number (17688960).

Almost surely, 2^70571197 is an apocalyptic number.

It is an amenable number.

70571197 is a deficient number, since it is larger than the sum of its proper divisors (184643).

70571197 is a wasteful number, since it uses less digits than its factorization.

70571197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184642.

The product of its (nonzero) digits is 15435, while the sum is 37.

The square root of 70571197 is about 8400.6664616565. Note that the first 3 decimals coincide. The cubic root of 70571197 is about 413.2464783828.

The spelling of 70571197 in words is "seventy million, five hundred seventy-one thousand, one hundred ninety-seven".