7131072427 has 8 divisors (see below), whose sum is σ = 7174580976. Its totient is φ = 7087696512.

The previous prime is 7131072409. The next prime is 7131072437. The reversal of 7131072427 is 7242701317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7131072427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7131072392 and 7131072401.

It is not an unprimeable number, because it can be changed into a prime (7131072407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 75783 + ... + 141439.

It is an arithmetic number, because the mean of its divisors is an integer number (896822622).

Almost surely, 2^7131072427 is an apocalyptic number.

7131072427 is a deficient number, since it is larger than the sum of its proper divisors (43508549).

7131072427 is a wasteful number, since it uses less digits than its factorization.

7131072427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66317.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 7131072427 is about 84445.6773730900. The cubic root of 7131072427 is about 1924.7970710468.

The spelling of 7131072427 in words is "seven billion, one hundred thirty-one million, seventy-two thousand, four hundred twenty-seven".