70079225 has 12 divisors (see below), whose sum is σ = 89895660. Its totient is φ = 54129600.

The previous prime is 70079171. The next prime is 70079227. The reversal of 70079225 is 52297007.

It can be written as a sum of positive squares in 6 ways, for example, as 506944 + 69572281 = 712^2 + 8341^2 .

It is not a de Polignac number, because 70079225 - 2⁸ = 70078969 is a prime.

It is a super-2 number, since 2×70079225² = 9822195553201250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70079191 and 70079200.

It is not an unprimeable number, because it can be changed into a prime (70079227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47606 + ... + 49055.

It is an arithmetic number, because the mean of its divisors is an integer number (7491305).

Almost surely, 2^70079225 is an apocalyptic number.

It is an amenable number.

70079225 is a deficient number, since it is larger than the sum of its proper divisors (19816435).

70079225 is a wasteful number, since it uses less digits than its factorization.

70079225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96700 (or 96695 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 70079225 is about 8371.3335257891. Note that the first 3 decimals coincide. The cubic root of 70079225 is about 412.2839517551.

The spelling of 70079225 in words is "seventy million, seventy-nine thousand, two hundred twenty-five".