6975780 has 96 divisors (see below), whose sum is σ = 23659776. Its totient is φ = 1499136.

The previous prime is 6975769. The next prime is 6975791. The reversal of 6975780 is 875796.

It is an interprime number because it is at equal distance from previous prime (6975769) and next prime (6975791).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6652 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (246456).

Almost surely, 2^6975780 is an apocalyptic number.

6975780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6975780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11829888).

6975780 is an abundant number, since it is smaller than the sum of its proper divisors (16683996).

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

6975780 is a wasteful number, since it uses less digits than its factorization.

6975780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 6975780 is about 2641.1701951976. The cubic root of 6975780 is about 191.0722386034.

The spelling of 6975780 in words is "six million, nine hundred seventy-five thousand, seven hundred eighty".