7247520427 has 16 divisors (see below), whose sum is σ = 8774784000. Its totient is φ = 5843622528.

The previous prime is 7247520421. The next prime is 7247520451. The reversal of 7247520427 is 7240257427.

It is a cyclic number.

It is not a de Polignac number, because 7247520427 - 2²³ = 7239131819 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 7247520427.

It is not an unprimeable number, because it can be changed into a prime (7247520421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222648 + ... + 253114.

It is an arithmetic number, because the mean of its divisors is an integer number (548424000).

Almost surely, 2^7247520427 is an apocalyptic number.

7247520427 is a deficient number, since it is larger than the sum of its proper divisors (1527263573).

7247520427 is a wasteful number, since it uses less digits than its factorization.

7247520427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32490.

The product of its (nonzero) digits is 219520, while the sum is 40.

The square root of 7247520427 is about 85132.3700304414. The cubic root of 7247520427 is about 1935.2176486902.

The spelling of 7247520427 in words is "seven billion, two hundred forty-seven million, five hundred twenty thousand, four hundred twenty-seven".