7131672252 has 36 divisors (see below), whose sum is σ = 18029846016. Its totient is φ = 2376886080.

The previous prime is 7131672217. The next prime is 7131672281. The reversal of 7131672252 is 2522761317.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481477 + ... + 496067.

It is an arithmetic number, because the mean of its divisors is an integer number (500829056).

Almost surely, 2^7131672252 is an apocalyptic number.

It is an amenable number.

7131672252 is an abundant number, since it is smaller than the sum of its proper divisors (10898173764).

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

7131672252 is a wasteful number, since it uses less digits than its factorization.

7131672252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28178 (or 28173 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 7131672252 is about 84449.2288419498. The cubic root of 7131672252 is about 1924.8510371716.

The spelling of 7131672252 in words is "seven billion, one hundred thirty-one million, six hundred seventy-two thousand, two hundred fifty-two".