7284615225 has 24 divisors (see below), whose sum is σ = 12138746880. Its totient is φ = 3854531520.

The previous prime is 7284615161. The next prime is 7284615271. The reversal of 7284615225 is 5225164827.

It is not a de Polignac number, because 7284615225 - 2⁶ = 7284615161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372870 + ... + 391919.

It is an arithmetic number, because the mean of its divisors is an integer number (505781120).

Almost surely, 2^7284615225 is an apocalyptic number.

7284615225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7284615225 is a deficient number, since it is larger than the sum of its proper divisors (4854131655).

7284615225 is a wasteful number, since it uses less digits than its factorization.

7284615225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764929 (or 764924 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 7284615225 is about 85349.9573813602. The cubic root of 7284615225 is about 1938.5136900149.

The spelling of 7284615225 in words is "seven billion, two hundred eighty-four million, six hundred fifteen thousand, two hundred twenty-five".