7247007427 has 4 divisors (see below), whose sum is σ = 7905826296. Its totient is φ = 6588188560.

The previous prime is 7247007419. The next prime is 7247007433.

It is a happy number.

7247007427 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7247007427 - 2³ = 7247007419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7247007427.

It is not an unprimeable number, because it can be changed into a prime (7247007407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329409418 + ... + 329409439.

It is an arithmetic number, because the mean of its divisors is an integer number (1976456574).

Almost surely, 2^7247007427 is an apocalyptic number.

7247007427 is a deficient number, since it is larger than the sum of its proper divisors (658818869).

7247007427 is a wasteful number, since it uses less digits than its factorization.

7247007427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658818868.

The product of its (nonzero) digits is 153664, while the sum is 40.

The square root of 7247007427 is about 85129.3570221225. The cubic root of 7247007427 is about 1935.1719875528.

The spelling of 7247007427 in words is "seven billion, two hundred forty-seven million, seven thousand, four hundred twenty-seven".