6720690375 has 192 divisors, whose sum is σ = 14391336960. Its totient is φ = 2953843200.

The previous prime is 6720690293. The next prime is 6720690467. The reversal of 6720690375 is 5730960276.

It is not a de Polignac number, because 6720690375 - 2⁹ = 6720689863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6720690375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30137514 + ... + 30137736.

It is an arithmetic number, because the mean of its divisors is an integer number (74954880).

Almost surely, 2^6720690375 is an apocalyptic number.

6720690375 is an abundant number, since it is smaller than the sum of its proper divisors (7670646585).

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

6720690375 is a wasteful number, since it uses less digits than its factorization.

6720690375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 6720690375 is about 81979.8168758628. The cubic root of 6720690375 is about 1887.1422124928.

The spelling of 6720690375 in words is "six billion, seven hundred twenty million, six hundred ninety thousand, three hundred seventy-five".