6720437846725 has 12 divisors (see below), whose sum is σ = 8343044170720. Its totient is φ = 5370091412400.

The previous prime is 6720437846719. The next prime is 6720437846761. The reversal of 6720437846725 is 5276487340276.

It is not a de Polignac number, because 6720437846725 - 2⁷ = 6720437846597 is a prime.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

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, 156449721 + ... + 156492670.

Almost surely, 2^{6720437846725} is an apocalyptic number.

It is an amenable number.

6720437846725 is a deficient number, since it is larger than the sum of its proper divisors (1622606323995).

6720437846725 is a wasteful number, since it uses less digits than its factorization.

6720437846725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312943260 (or 312943255 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 61.

The spelling of 6720437846725 in words is "six trillion, seven hundred twenty billion, four hundred thirty-seven million, eight hundred forty-six thousand, seven hundred twenty-five".