70170225 has 12 divisors (see below), whose sum is σ = 116014896. Its totient is φ = 37424080.

The previous prime is 70170187. The next prime is 70170253. The reversal of 70170225 is 52207107.

It is not a de Polignac number, because 70170225 - 2¹⁶ = 70104689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70170195 and 70170204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467727 + ... + 467876.

It is an arithmetic number, because the mean of its divisors is an integer number (9667908).

Almost surely, 2^70170225 is an apocalyptic number.

70170225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70170225 is a deficient number, since it is larger than the sum of its proper divisors (45844671).

70170225 is a wasteful number, since it uses less digits than its factorization.

70170225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935616 (or 935611 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 70170225 is about 8376.7669777785. The cubic root of 70170225 is about 412.4623289749.

The spelling of 70170225 in words is "seventy million, one hundred seventy thousand, two hundred twenty-five".