70195725 has 18 divisors (see below), whose sum is σ = 125728746. Its totient is φ = 37437600.

The previous prime is 70195721. The next prime is 70195751. The reversal of 70195725 is 52759107.

70195725 is a `hidden beast` number, since 70 + 19 + 572 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3316041 + 66879684 = 1821^2 + 8178^2 .

It is not a de Polignac number, because 70195725 - 2² = 70195721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70195725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70195721) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 155766 + ... + 156215.

Almost surely, 2^70195725 is an apocalyptic number.

70195725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70195725 is a deficient number, since it is larger than the sum of its proper divisors (55533021).

70195725 is a wasteful number, since it uses less digits than its factorization.

70195725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311997 (or 311989 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 70195725 is about 8378.2889064534. The cubic root of 70195725 is about 412.5122861354.

The spelling of 70195725 in words is "seventy million, one hundred ninety-five thousand, seven hundred twenty-five".