70748893 has 8 divisors (see below), whose sum is σ = 73304280. Its totient is φ = 68201280.

The previous prime is 70748879. The next prime is 70748911. The reversal of 70748893 is 39884707.

It can be written as a sum of positive squares in 4 ways, for example, as 28068804 + 42680089 = 5298^2 + 6533^2 .

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 70748893 - 2⁵ = 70748861 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 (70748833) 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, 21583 + ... + 24643.

It is an arithmetic number, because the mean of its divisors is an integer number (9163035).

Almost surely, 2^70748893 is an apocalyptic number.

It is an amenable number.

70748893 is a deficient number, since it is larger than the sum of its proper divisors (2555387).

70748893 is a wasteful number, since it uses less digits than its factorization.

70748893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 70748893 is about 8411.2361160533. The cubic root of 70748893 is about 413.5930347781.

The spelling of 70748893 in words is "seventy million, seven hundred forty-eight thousand, eight hundred ninety-three".