70825705 has 8 divisors (see below), whose sum is σ = 85037832. Its totient is φ = 56629248.

The previous prime is 70825691. The next prime is 70825721. The reversal of 70825705 is 50752807.

It can be written as a sum of positive squares in 4 ways, for example, as 215296 + 70610409 = 464^2 + 8403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70825705 - 2¹⁹ = 70301417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11689 + ... + 16681.

It is an arithmetic number, because the mean of its divisors is an integer number (10629729).

Almost surely, 2^70825705 is an apocalyptic number.

It is an amenable number.

70825705 is a deficient number, since it is larger than the sum of its proper divisors (14212127).

70825705 is a wasteful number, since it uses less digits than its factorization.

70825705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 70825705 is about 8415.8009125692. The cubic root of 70825705 is about 413.7426598187.

The spelling of 70825705 in words is "seventy million, eight hundred twenty-five thousand, seven hundred five".