6725381400 has 120 divisors (see below), whose sum is σ = 23358302220. Its totient is φ = 1793430720.

The previous prime is 6725381389. The next prime is 6725381431. The reversal of 6725381400 is 41835276.

It is a tau number, because it is divible by the number of its divisors (120).

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 29 ways as a sum of consecutive naturals, for example, 191374 + ... + 223773.

Almost surely, 2^6725381400 is an apocalyptic number.

6725381400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6725381400 is an abundant number, since it is smaller than the sum of its proper divisors (16632920820).

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

6725381400 is a wasteful number, since it uses less digits than its factorization.

6725381400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415175 (or 415157 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 6725381400 is about 82008.4227381554. The cubic root of 6725381400 is about 1887.5811838829.

The spelling of 6725381400 in words is "six billion, seven hundred twenty-five million, three hundred eighty-one thousand, four hundred".