6617470 has 16 divisors (see below), whose sum is σ = 11942640. Its totient is φ = 2640064.

The previous prime is 6617467. The next prime is 6617473. The reversal of 6617470 is 747166.

It is an interprime number because it is at equal distance from previous prime (6617467) and next prime (6617473).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6617473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5109 + ... + 6271.

It is an arithmetic number, because the mean of its divisors is an integer number (746415).

Almost surely, 2^6617470 is an apocalyptic number.

6617470 is a deficient number, since it is larger than the sum of its proper divisors (5325170).

6617470 is a wasteful number, since it uses less digits than its factorization.

6617470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 6617470 is about 2572.4443628580. Note that the first 3 decimals coincide. The cubic root of 6617470 is about 187.7431039256.

The spelling of 6617470 in words is "six million, six hundred seventeen thousand, four hundred seventy".