6723672004 has 27 divisors (see below), whose sum is σ = 13689812493. Its totient is φ = 2881081728.

The previous prime is 6723672001. The next prime is 6723672017. The reversal of 6723672004 is 4002763276.

It is a happy number.

The square root of 6723672004 is 81998.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6356872900 + 366799104 = 79730^2 + 19152^2 .

It is not an unprimeable number, because it can be changed into a prime (6723672001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1145044 + ... + 1150900.

Almost surely, 2^6723672004 is an apocalyptic number.

6723672004 is the 81998-th square number.

It is an amenable number.

6723672004 is an abundant number, since it is smaller than the sum of its proper divisors (6966140489).

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

6723672004 is an frugal number, since it uses more digits than its factorization.

6723672004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11732 (or 5866 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The cubic root of 6723672004 is about 1887.4212476185.

The spelling of 6723672004 in words is "six billion, seven hundred twenty-three million, six hundred seventy-two thousand, four".