7247725147 has 4 divisors (see below), whose sum is σ = 7805242480. Its totient is φ = 6690207816.

The previous prime is 7247725139. The next prime is 7247725169. The reversal of 7247725147 is 7415277427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7415277427 = 12433 ⋅596419.

It is a cyclic number.

It is not a de Polignac number, because 7247725147 - 2³ = 7247725139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7247725097 and 7247725106.

It is not an unprimeable number, because it can be changed into a prime (7247725117) 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, 278758647 + ... + 278758672.

It is an arithmetic number, because the mean of its divisors is an integer number (1951310620).

Almost surely, 2^7247725147 is an apocalyptic number.

7247725147 is a deficient number, since it is larger than the sum of its proper divisors (557517333).

7247725147 is a wasteful number, since it uses less digits than its factorization.

7247725147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557517332.

The product of its digits is 768320, while the sum is 46.

The square root of 7247725147 is about 85133.5723848119. The cubic root of 7247725147 is about 1935.2358698198.

The spelling of 7247725147 in words is "seven billion, two hundred forty-seven million, seven hundred twenty-five thousand, one hundred forty-seven".