6870491 has 16 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 6277920.

The previous prime is 6870481. The next prime is 6870503. The reversal of 6870491 is 1940786.

It is a cyclic number.

It is not a de Polignac number, because 6870491 - 2²² = 2676187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6870401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82736 + ... + 82818.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 2^6870491 is an apocalyptic number.

6870491 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6870491 is a deficient number, since it is larger than the sum of its proper divisors (629029).

6870491 is a wasteful number, since it uses less digits than its factorization.

6870491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 6870491 is about 2621.1621468349. The cubic root of 6870491 is about 190.1060442192.

The spelling of 6870491 in words is "six million, eight hundred seventy thousand, four hundred ninety-one".