6745278 has 16 divisors (see below), whose sum is σ = 13524480. Its totient is φ = 2242776.

The previous prime is 6745267. The next prime is 6745289. The reversal of 6745278 is 8725476.

It is an interprime number because it is at equal distance from previous prime (6745267) and next prime (6745289).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701 + ... + 4047.

It is an arithmetic number, because the mean of its divisors is an integer number (845280).

Almost surely, 2^6745278 is an apocalyptic number.

6745278 is an abundant number, since it is smaller than the sum of its proper divisors (6779202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6745278 is a wasteful number, since it uses less digits than its factorization.

6745278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831.

The product of its digits is 94080, while the sum is 39.

The square root of 6745278 is about 2597.1673030438. The cubic root of 6745278 is about 188.9440779654.

The spelling of 6745278 in words is "six million, seven hundred forty-five thousand, two hundred seventy-eight".