7247997427 has 8 divisors (see below), whose sum is σ = 7907530752. Its totient is φ = 6588568200.

The previous prime is 7247997403. The next prime is 7247997461.

7247997427 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 7247997427 - 2³¹ = 5100513779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7247997527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224302 + ... + 254572.

It is an arithmetic number, because the mean of its divisors is an integer number (988441344).

Almost surely, 2^7247997427 is an apocalyptic number.

7247997427 is a deficient number, since it is larger than the sum of its proper divisors (659533325).

7247997427 is a wasteful number, since it uses less digits than its factorization.

7247997427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52049.

The product of its digits is 12446784, while the sum is 58.

The square root of 7247997427 is about 85135.1715039090. The cubic root of 7247997427 is about 1935.2601036041.

The spelling of 7247997427 in words is "seven billion, two hundred forty-seven million, nine hundred ninety-seven thousand, four hundred twenty-seven".