6900975 has 18 divisors (see below), whose sum is σ = 12360816. Its totient is φ = 3680400.

The previous prime is 6900973. The next prime is 6900977. The reversal of 6900975 is 5790096.

6900975 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6900973) and next prime (6900977).

It is not a de Polignac number, because 6900975 - 2¹ = 6900973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900973) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15111 + ... + 15560.

It is an arithmetic number, because the mean of its divisors is an integer number (686712).

Almost surely, 2^6900975 is an apocalyptic number.

6900975 is a deficient number, since it is larger than the sum of its proper divisors (5459841).

6900975 is a wasteful number, since it uses less digits than its factorization.

6900975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30687 (or 30679 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 6900975 is about 2626.9706888353. The cubic root of 6900975 is about 190.3867928455.

It can be divided in two parts, 6900 and 975, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 6900975 in words is "six million, nine hundred thousand, nine hundred seventy-five".