2667745725 has 24 divisors (see below), whose sum is σ = 4493899872. Its totient is φ = 1395950400.

The previous prime is 2667745669. The next prime is 2667745739. The reversal of 2667745725 is 5275477662.

It is a happy number.

2667745725 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2667745725 - 2⁸ = 2667745469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331591 + ... + 339540.

It is an arithmetic number, because the mean of its divisors is an integer number (187245828).

Almost surely, 2^2667745725 is an apocalyptic number.

2667745725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2667745725 is a deficient number, since it is larger than the sum of its proper divisors (1826154147).

2667745725 is a wasteful number, since it uses less digits than its factorization.

2667745725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671197 (or 671192 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 51.

The square root of 2667745725 is about 51650.2248301012. The cubic root of 2667745725 is about 1386.9095677932.

The spelling of 2667745725 in words is "two billion, six hundred sixty-seven million, seven hundred forty-five thousand, seven hundred twenty-five".