6930471 has 4 divisors (see below), whose sum is σ = 9240632. Its totient is φ = 4620312.

The previous prime is 6930463. The next prime is 6930481. The reversal of 6930471 is 1740396.

It is a happy number.

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

It is not a de Polignac number, because 6930471 - 2³ = 6930463 is a prime.

It is a super-3 number, since 3×6930471³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Duffinian number.

6930471 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6930431) 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, 1155076 + ... + 1155081.

It is an arithmetic number, because the mean of its divisors is an integer number (2310158).

Almost surely, 2^6930471 is an apocalyptic number.

6930471 is a deficient number, since it is larger than the sum of its proper divisors (2310161).

6930471 is a wasteful number, since it uses less digits than its factorization.

6930471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310160.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 6930471 is about 2632.5787737502. The cubic root of 6930471 is about 190.6576563599.

The spelling of 6930471 in words is "six million, nine hundred thirty thousand, four hundred seventy-one".