6970191 has 4 divisors (see below), whose sum is σ = 9293592. Its totient is φ = 4646792.

The previous prime is 6970157. The next prime is 6970193. The reversal of 6970191 is 1910796.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6970191 - 2¹⁵ = 6937423 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6970193) 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, 1161696 + ... + 1161701.

It is an arithmetic number, because the mean of its divisors is an integer number (2323398).

Almost surely, 2^6970191 is an apocalyptic number.

6970191 is a deficient number, since it is larger than the sum of its proper divisors (2323401).

6970191 is a wasteful number, since it uses less digits than its factorization.

6970191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323400.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 6970191 is about 2640.1119294454. Note that the first 3 decimals coincide. The cubic root of 6970191 is about 191.0211958971.

The spelling of 6970191 in words is "six million, nine hundred seventy thousand, one hundred ninety-one".