70849901 has 8 divisors (see below), whose sum is σ = 71485464. Its totient is φ = 70217280.

The previous prime is 70849873. The next prime is 70849907. The reversal of 70849901 is 10994807.

It can be written as a sum of positive squares in 4 ways, for example, as 25300900 + 45549001 = 5030^2 + 6749^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70849901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70849907) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 93215 + ... + 93971.

It is an arithmetic number, because the mean of its divisors is an integer number (8935683).

Almost surely, 2^70849901 is an apocalyptic number.

It is an amenable number.

70849901 is a deficient number, since it is larger than the sum of its proper divisors (635563).

70849901 is a wasteful number, since it uses less digits than its factorization.

70849901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 70849901 is about 8417.2383238209. The cubic root of 70849901 is about 413.7897697280.

The spelling of 70849901 in words is "seventy million, eight hundred forty-nine thousand, nine hundred one".