6900729 has 16 divisors (see below), whose sum is σ = 10168320. Its totient is φ = 4127760.

The previous prime is 6900727. The next prime is 6900731. The reversal of 6900729 is 9270096.

6900729 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 (6900727) and next prime (6900731).

It is not a de Polignac number, because 6900729 - 2¹ = 6900727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 6900729.

It is not an unprimeable number, because it can be changed into a prime (6900727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284 + ... + 3930.

It is an arithmetic number, because the mean of its divisors is an integer number (635520).

Almost surely, 2^6900729 is an apocalyptic number.

It is an amenable number.

6900729 is a deficient number, since it is larger than the sum of its proper divisors (3267591).

6900729 is a wasteful number, since it uses less digits than its factorization.

6900729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 6900729 is about 2626.9238664263. The cubic root of 6900729 is about 190.3845305706.

The spelling of 6900729 in words is "six million, nine hundred thousand, seven hundred twenty-nine".