79200225 has 36 divisors (see below), whose sum is σ = 152774076. Its totient is φ = 38989440.

The previous prime is 79200221. The next prime is 79200241. The reversal of 79200225 is 52200297.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1830609 + 77369616 = 1353^2 + 8796^2 .

It is not a de Polignac number, because 79200225 - 2² = 79200221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79200221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10614 + ... + 16463.

Almost surely, 2^79200225 is an apocalyptic number.

79200225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79200225 is a deficient number, since it is larger than the sum of its proper divisors (73573851).

79200225 is a wasteful number, since it uses less digits than its factorization.

79200225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27106 (or 27098 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 79200225 is about 8899.4508257532. The cubic root of 79200225 is about 429.4462404756.

The spelling of 79200225 in words is "seventy-nine million, two hundred thousand, two hundred twenty-five".