70319225 has 12 divisors (see below), whose sum is σ = 92325564. Its totient is φ = 52945920.

The previous prime is 70319219. The next prime is 70319231. The reversal of 70319225 is 52291307.

It is an interprime number because it is at equal distance from previous prime (70319219) and next prime (70319231).

It can be written as a sum of positive squares in 6 ways, for example, as 8602489 + 61716736 = 2933^2 + 7856^2 .

It is a de Polignac number, because none of the positive numbers 2^k-70319225 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 82304 + ... + 83153.

It is an arithmetic number, because the mean of its divisors is an integer number (7693797).

Almost surely, 2^70319225 is an apocalyptic number.

It is an amenable number.

70319225 is a deficient number, since it is larger than the sum of its proper divisors (22006339).

70319225 is a wasteful number, since it uses less digits than its factorization.

70319225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165484 (or 165479 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 70319225 is about 8385.6559075602. The cubic root of 70319225 is about 412.7540644839.

The spelling of 70319225 in words is "seventy million, three hundred nineteen thousand, two hundred twenty-five".