6861072 has 20 divisors (see below), whose sum is σ = 17724560. Its totient is φ = 2287008.

The previous prime is 6861067. The next prime is 6861073. The reversal of 6861072 is 2701686.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6861073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71422 + ... + 71517.

It is an arithmetic number, because the mean of its divisors is an integer number (886228).

Almost surely, 2^6861072 is an apocalyptic number.

It is an amenable number.

6861072 is an abundant number, since it is smaller than the sum of its proper divisors (10863488).

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

6861072 is a wasteful number, since it uses less digits than its factorization.

6861072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142950 (or 142944 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 6861072 is about 2619.3648084984. The cubic root of 6861072 is about 190.0191301145.

The spelling of 6861072 in words is "six million, eight hundred sixty-one thousand, seventy-two".