70355725 has 12 divisors (see below), whose sum is σ = 95172480. Its totient is φ = 51167600.

The previous prime is 70355723. The next prime is 70355729. The reversal of 70355725 is 52755307.

It is not a de Polignac number, because 70355725 - 2¹ = 70355723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70355723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127645 + ... + 128194.

It is an arithmetic number, because the mean of its divisors is an integer number (7931040).

Almost surely, 2^70355725 is an apocalyptic number.

It is an amenable number.

70355725 is a deficient number, since it is larger than the sum of its proper divisors (24816755).

70355725 is a wasteful number, since it uses less digits than its factorization.

70355725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255860 (or 255855 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 70355725 is about 8387.8319606439. The cubic root of 70355725 is about 412.8254670411.

The spelling of 70355725 in words is "seventy million, three hundred fifty-five thousand, seven hundred twenty-five".