70753143 has 4 divisors (see below), whose sum is σ = 94337528. Its totient is φ = 47168760.

The previous prime is 70753117. The next prime is 70753157. The reversal of 70753143 is 34135707.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70753143 - 2⁶ = 70753079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70753143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70753183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11792188 + ... + 11792193.

It is an arithmetic number, because the mean of its divisors is an integer number (23584382).

Almost surely, 2^70753143 is an apocalyptic number.

70753143 is a deficient number, since it is larger than the sum of its proper divisors (23584385).

70753143 is a wasteful number, since it uses less digits than its factorization.

70753143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23584384.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 70753143 is about 8411.4887505126. The cubic root of 70753143 is about 413.6013163457.

The spelling of 70753143 in words is "seventy million, seven hundred fifty-three thousand, one hundred forty-three".