70412725 has 36 divisors (see below), whose sum is σ = 96231564. Its totient is φ = 50928640.

The previous prime is 70412717. The next prime is 70412731. The reversal of 70412725 is 52721407.

It can be written as a sum of positive squares in 18 ways, for example, as 12439729 + 57972996 = 3527^2 + 7614^2 .

It is not a de Polignac number, because 70412725 - 2³ = 70412717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70412693 and 70412702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 357327 + ... + 357523.

It is an arithmetic number, because the mean of its divisors is an integer number (2673099).

Almost surely, 2^70412725 is an apocalyptic number.

It is an amenable number.

70412725 is a deficient number, since it is larger than the sum of its proper divisors (25818839).

70412725 is a wasteful number, since it uses less digits than its factorization.

70412725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 70412725 is about 8391.2290518136. The cubic root of 70412725 is about 412.9369230256.

The spelling of 70412725 in words is "seventy million, four hundred twelve thousand, seven hundred twenty-five".