70750285 has 8 divisors (see below), whose sum is σ = 87828120. Its totient is φ = 54648384.

The previous prime is 70750261. The next prime is 70750289. The reversal of 70750285 is 58205707.

It can be written as a sum of positive squares in 4 ways, for example, as 28526281 + 42224004 = 5341^2 + 6498^2 .

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 70750285 - 2⁷ = 70750157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70750285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70750289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243822 + ... + 244111.

It is an arithmetic number, because the mean of its divisors is an integer number (10978515).

Almost surely, 2^70750285 is an apocalyptic number.

It is an amenable number.

70750285 is a deficient number, since it is larger than the sum of its proper divisors (17077835).

70750285 is a wasteful number, since it uses less digits than its factorization.

70750285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487967.

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

The square root of 70750285 is about 8411.3188621048. The cubic root of 70750285 is about 413.5957472716.

The spelling of 70750285 in words is "seventy million, seven hundred fifty thousand, two hundred eighty-five".