6722540604 has 36 divisors (see below), whose sum is σ = 18300250696. Its totient is φ = 2068473888.

The previous prime is 6722540599. The next prime is 6722540611. The reversal of 6722540604 is 4060452276.

6722540604 is a `hidden beast` number, since 6 + 7 + 2 + 2 + 5 + 40 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7181734 + ... + 7182669.

Almost surely, 2^6722540604 is an apocalyptic number.

It is an amenable number.

6722540604 is an abundant number, since it is smaller than the sum of its proper divisors (11577710092).

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

6722540604 is a wasteful number, since it uses less digits than its factorization.

6722540604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14364426 (or 14364421 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 6722540604 is about 81991.1007609972. The cubic root of 6722540604 is about 1887.3153755004.

The spelling of 6722540604 in words is "six billion, seven hundred twenty-two million, five hundred forty thousand, six hundred four".